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• First ASP.NET WebForms application completed, should I jump into MVC now?

  - by farhad

  I just finished my first Asp.net intranet application using WebForms, and now I am considering learning MVC. My questions are: I mainly use LINQ for CRUD purposes instead of SQL, should I also learn hard coded SQL or just stick to LINQ EF? Is it a good idea to start learning MVC now and use it on all my future projects or is it too early for me? Do employers favour MVC over WebForms when recruiting junior developers?

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• Useful utilities - LINQPAD

  - by TATWORTH

  Recently I came across LINQPAD at http://www.linqpad.net/ a free utility by Joseph Alabahari. This is an excellent tool for developing and testing LINQ queries before you incorporate them into your C# programs. If you get stuck as I did at one point recently there is the MSDN Linq forum at http://forums.microsoft.com/MSDN/ShowForum.aspx?siteid=1&ForumID=123 where  you can ask for help.

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• The QueryExtender web server control

  - by nikolaosk

  In this post I am going to present a hands on example on how to use the QueryExtender web server control. It is built into ASP.Net 4.0 and it is available from the Toolbox in VS 2010.Before we move on with our example let me explain what this control does and why we need it. Its goal is to extend the functionality of the LINQ to Entities and LINQ to SQL datasources.Most of the times when we have data coming out from a datasource we want some sort of filtering. We do achieve that by using a Where...(read more)

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• Lambda&rsquo;s for .NET made easy&hellip;

  - by mbcrump

  The purpose of my blog is to explain things for a beginner to intermediate c# programmer. I’ve seen several blog post that use lambda expressions always assuming the audience is familiar with them. The purpose of this post is to make them simple and easily understood. Let’s begin with a definition. A lambda expression is an anonymous function that can contain expressions and statements, and can be used to create delegates or expression tree types. So anonymous function… delegates or expression tree types? I don’t get it??? Confused yet?   Lets break this into a few definitions and jump right into the code. anonymous function – is an "inline" statement or expression that can be used wherever a delegate type is expected. delegate - is a type that references a method. Once a delegate is assigned a method, it behaves exactly like that method. The delegate method can be used like any other method, with parameters and a return value. Expression trees - represent code in a tree-like data structure, where each node is an expression, for example, a method call or a binary operation such as x < y.   Don’t worry if this still sounds confusing, lets jump right into the code with a simple 3 line program. We are going to use a Function Delegate (all you need to remember is that this delegate returns a value.) Lambda expressions are used most commonly with the Func and Action delegates, so you will see an example of both of these. Lambda Expression 3 lines. using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {             Func<int, int> myfunc = x => x *x;             Console.WriteLine(myfunc(6).ToString());             Console.ReadLine();         }       } } Is equivalent to Old way of doing it. using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {               Console.WriteLine(myFunc(6).ToString());             Console.ReadLine();         }            static int myFunc(int x)          {              return x * x;            }       } } In the example, there is a single parameter, x, and the expression is x*x. I’m going to stop here to make sure you are still with me. A lambda expression is an unnamed method written in place of a delegate instance. In other words, the compiler converts the lambda expression to either a : A delegate instance An expression tree All lambda have the following form: (parameters) => expression or statement block Now look back to the ones we have created. It should start to sink in. Don’t get stuck on the => form, use it as an identifier of a lambda. A Lamba expression can also be written in the following form: Lambda Expression. using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {             Func<int, int> myFunc = x =>             {                 return x * x;             };               Console.WriteLine(myFunc(6).ToString());             Console.ReadLine();         }       } } This form may be easier to read but consumes more space. Lets try an Action delegate – this delegate does not return a value. Action Delegate example. using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {             Action<string> myAction = (string x) => { Console.WriteLine(x); };             myAction("michael has made this so easy");                                   Console.ReadLine();         }       } } Lambdas can also capture outer variables (such as the example below) A lambda expression can reference the local variables and parameters of the method in which it’s defined. Outer variables referenced by a lambda expression are called captured variables. Capturing Outer Variables using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {             string mike = "Michael";             Action<string> myAction = (string x) => {                 Console.WriteLine("{0}{1}", mike, x);          };             myAction(" has made this so easy");                                   Console.ReadLine();         }       } } Lamba’s can also with a strongly typed list to loop through a collection.   Used w a strongly typed list. using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace ConsoleApplication7 {     class Program     {          static void Main(string[] args)         {             List<string> list = new List<string>() { "1", "2", "3", "4" };             list.ForEach(s => Console.WriteLine(s));             Console.ReadLine();         }       } } Outputs: 1 2 3 4 I think this will get you started with Lambda’s, as always consult the MSDN documentation for more information. Still confused? Hopefully you are not.

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• Visual Studio 2010 RC and Entity Framework 4 RC Support in the New Version of ADO.NET Data Providers

  Devart has recently announced the release of dotConnect products for Oracle, MySQL, PostgreSQL, and SQLite - ADO.NET providers that offer Entity Framework support, LINQ to SQL support, and contain an ORM model designer for developing LINQ to SQL and EF models based on different database engines.

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• Visual Studio 2010 RC and Entity Framework 4 RC Support in the New Version of ADO.NET Data Providers

  Devart has recently announced the release of dotConnect products for Oracle, MySQL, PostgreSQL, and SQLite - ADO.NET providers that offer Entity Framework support, LINQ to SQL support, and contain an ORM model designer for developing LINQ to SQL and EF models based on different database engines.

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• ASP.NET C# Session Variable

  - by SAMIR BHOGAYTA

  You can make changes in the web.config. You can give the location path i.e the pages to whom u want to apply the security. Ex. 1) In first case the page can be accessed by everyone. // Allow ALL users to visit the CreatingUserAccounts.aspx // location path="CreatingUserAccounts.aspx" system.web authorization allow users="*" / /authorization /system.web /location 2) in this case only admin can access the page // Allow ADMIN users to visit the hello.aspx location path="hello.aspx" system.web authorization allow roles="ADMIN' / deny users="*" / /authorization /system.web /location OR On the every page you need to check the authorization according to the page logic ex: On every page call this if (session[loggeduser] !=null) { DataSet dsUser=(DataSet)session[loggeduser]; if (dsUser !=null && dsUser.Tables.Count0 && dsUser.Tables[0] !=null && dsUser.Tables[0].Rows.Count0) { if (dsUser.Table[0].Rows[0]["UserType"]=="SuperAdmin") { //your page logic here } if (dsUser.Table[0].Rows[0]["UserType"]=="Admin") { //your page logic here } } }

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• Writing a spell checker similar to "did you mean"

  - by user888734

  I'm hoping to write a spellchecker for search queries in a web application - not unlike Google's "Did you mean?" The algorithm will be loosely based on this: http://catalog.ldc.upenn.edu/LDC2006T13 In short, it generates correction candidates and scores them on how often they appear (along with adjacent words in the search query) in an enormous dataset of known n-grams - Google Web 1T - which contains well over 1 billion 5-grams. I'm not using the Web 1T dataset, but building my n-gram sets from my own documents - about 200k docs, and I'm estimating tens or hundreds of millions of n-grams will be generated. This kind of process is pushing the limits of my understanding of basic computing performance - can I simply load my n-grams into memory in a hashtable or dictionary when the app starts? Is the only limiting factor the amount of memory on the machine? Or am I barking up the wrong tree? Perhaps putting all my n-grams in a graph database with some sort of tree query optimisation? Could that ever be fast enough?

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• Heroku Problem During Database Pull of Rails App: Mysql::Error MySQL server has gone away

  - by Rich Apodaca

  Attempting to pull my database from Heroku gives an error partway through the process (below). Using: Snow Leopard; heroku-1.8.2; taps-0.2.26; rails-2.3.5; mysql-5.1.42. Database is smallish, as you can see from the error message. Heroku tech support says it's a problem on my system, but offers nothing in the way of how to solve it. I've seen the issue reported before - for example here. How can I get around this problem? The error: $ heroku db:pull Auto-detected local database: mysql://[...]@localhost/[...]?encoding=utf8 Receiving schema Receiving data 17 tables, 9,609 records [...] /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:166:in `query': Mysql::Error MySQL server has gone away (Sequel::DatabaseError) from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:166:in `_execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:125:in `execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/connection_pool.rb:101:in `hold' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:461:in `synchronize' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:125:in `execute' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:296:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset.rb:276:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:365:in `execute_dui' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `each' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:144:in `transaction' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/connection_pool.rb:108:in `hold' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/database.rb:461:in `synchronize' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/adapters/mysql.rb:138:in `transaction' from /Library/Ruby/Gems/1.8/gems/sequel-3.0.0/lib/sequel/dataset/convenience.rb:126:in `import' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:211:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:203:in `loop' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:203:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:196:in `each' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:196:in `cmd_receive_data' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:175:in `cmd_receive' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:17:in `pull' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:119:in `taps_client' from /Library/Ruby/Gems/1.8/gems/taps-0.2.26/lib/taps/client_session.rb:21:in `start' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:115:in `taps_client' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/commands/db.rb:16:in `pull' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:45:in `send' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:45:in `run_internal' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/../lib/heroku/command.rb:17:in `run' from /Library/Ruby/Gems/1.8/gems/heroku-1.8.2/bin/heroku:14 from /usr/bin/heroku:19:in `load' from /usr/bin/heroku:19

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• Can anyone help convert this VB Webservice?

  - by CraigJSte

  I can't figure it out for the life of me.. I'm using SQL DataSet Query to iterate to a Class Object which acts as a Data Model for Flex... Initially I used VB.net but now need to convert to C#.. This conversion is done except for the last section where I create a DataRow arow and then try to add the DataSet Values to the Class (Results Class)... I get an error message.. 'VTResults.Results.Ticker' is inaccessible due to its protection level (this is down at the bottom) using System; using System.Web; using System.Collections; using System.Web.Services; using System.Web.Services.Protocols; using System.Data; using System.Data.SqlClient; using System.Configuration; /// <summary> /// Summary description for VTResults /// </summary> [WebService(Namespace = "http://velocitytrading.net/ResultsVT.aspx")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class VTResults : System.Web.Services.WebService { public class Results { string Ticker; string BuyDate; decimal Buy; string SellDate; decimal Sell; string Profit; decimal Period; } [WebMethod] public Results[] GetResults() { string conn = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString; SqlConnection myconn = new SqlConnection(conn); SqlCommand mycomm = new SqlCommand(); SqlDataAdapter myda = new SqlDataAdapter(); DataSet myds = new DataSet(); mycomm.CommandType = CommandType.StoredProcedure; mycomm.Connection = myconn; mycomm.CommandText = "dbo.Results"; myconn.Open(); myda.SelectCommand = mycomm; myda.Fill(myds); myconn.Close(); myconn.Dispose(); int i = 0; Results[] dts = new Results[myds.Tables[0].Rows.Count]; foreach(DataRow arow in myds.Tables[0].Rows) { dts[i] = new Results(); dts[i].Ticker = arow["Ticker"]; dts[i].BuyDate = arow["BuyDate"]; dts[1].Buy = arow["Buy"]; dts[i].SellDate = arow["SellDate"]; dts[i].Sell = arow["Sell"]; dts[i].Profit = arow["Profit"]; dts[i].Period = arow["Period"]; i+=1; } return dts; } } The VB.NET WEBSERVICE that runs fine which I am trying to convert to C# is here. Imports System.Web Imports System.Web.Services Imports System.Web.Services.Protocols Imports System.Data Imports System.Data.SqlClient <WebService(Namespace:="http://localhost:2597/Results/ResultsVT.aspx")> _ <WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _ <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Public Class VTResults Inherits System.Web.Services.WebService Public Class Results Public Ticker As String Public BuyDate As String Public Buy As Decimal Public SellDate As String Public Sell As Decimal Public Profit As String Public Period As Decimal End Class <WebMethod()> _ Public Function GetResults() As Results() Try Dim conn As String = ConfigurationManager.ConnectionStrings("LocalSqlServer").ConnectionString Dim myconn = New SqlConnection(conn) Dim mycomm As New SqlCommand Dim myda As New SqlDataAdapter Dim myds As New DataSet mycomm.CommandType = CommandType.StoredProcedure mycomm.Connection = myconn mycomm.CommandText = "dbo.Results" myconn.Open() myda.SelectCommand = mycomm myda.Fill(myds) myconn.Close() myconn.Dispose() Dim i As Integer i = 0 Dim dts As Results() = New Results(myds.Tables(0).Rows.Count - 1) {} Dim aRow As DataRow For Each aRow In myds.Tables(0).Rows dts(i) = New Results dts(i).Ticker = aRow("Ticker") dts(i).BuyDate = aRow("BuyDate") dts(i).Buy = aRow("Buy") dts(i).SellDate = aRow("SellDate") dts(i).Sell = aRow("Sell") dts(i).Profit = aRow("Profit") dts(i).Period = aRow("Period") i += 1 Next Return dts Catch ex As DataException Throw ex End Try End Function End Class

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• Dynamically specify the type in C#

  - by Lirik

  I'm creating a custom DataSet and I'm under some constrains: I want the user to specify the type of the data which they want to store. I want to reduce type-casting because I think it will be VERY expensive. I will use the data VERY frequently in my application. I don't know what type of data will be stored in the DataSet, so my initial idea was to make it a List of objects, but I suspect that the frequent use of the data and the need to type-cast will be very expensive. The basic idea is this: class DataSet : IDataSet { private Dictionary<string, List<Object>> _data; /// <summary> /// Constructs the data set given the user-specified labels. /// </summary> /// <param name="labels"> /// The labels of each column in the data set. /// </param> public DataSet(List<string> labels) { _data = new Dictionary<string, List<object>>(); foreach (string label in labels) { _data.Add(label, new List<object>()); } } #region IDataSet Members public List<string> DataLabels { get { return _data.Keys.ToList(); } } public int Count { get { _data[_data.Keys[0]].Count; } } public List<object> GetValues(string label) { return _data[label]; } public object GetValue(string label, int index) { return _data[label][index]; } public void InsertValue(string label, object value) { _data[label].Insert(0, value); } public void AddValue(string label, object value) { _data[label].Add(value); } #endregion } A concrete example where the DataSet will be used is to store data obtained from a CSV file where the first column contains the labels. When the data is being loaded from the CSV file I'd like to specify the type rather than casting to object. The data could contain columns such as dates, numbers, strings, etc. Here is what it could look like: "Date","Song","Rating","AvgRating","User" "02/03/2010","Code Monkey",4.6,4.1,"joe" "05/27/2009","Code Monkey",1.2,4.5,"jill" The data will be used in a Machine Learning/Artificial Intelligence algorithm, so it is essential that I make the reading of data very fast. I want to eliminate type-casting as much as possible, since I can't afford to cast from 'object' to whatever data type is needed on every read. I've seen applications that allow the user to pick the specific data type for each item in the csv file, so I'm trying to make a similar solution where a different type can be specified for each column. I want to create a generic solution so I don't have to return a List<object> but a List<DateTime> (if it's a DateTime column) or List<double> (if it's a column of doubles). Is there any way that this can be achieved? Perhaps my approach is wrong, is there a better approach to this problem?

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• C# Can anyone help convert this VB Webservice?

  - by CraigJSte

  I can't figure it out for the life of me.. I'm using SQL DataSet Query to iterate to a Class Object which acts as a Data Model for Flex... Initially I used VB.net but now need to convert to C#.. This conversion is done except for the last section where I create a DataRow arow and then try to add the DataSet Values to the Class (Results Class)... I get an error message.. 'VTResults.Results.Ticker' is inaccessible due to its protection level (this is down at the bottom) using System; using System.Web; using System.Collections; using System.Web.Services; using System.Web.Services.Protocols; using System.Data; using System.Data.SqlClient; using System.Configuration; /// <summary> /// Summary description for VTResults /// </summary> [WebService(Namespace = "http://velocitytrading.net/ResultsVT.aspx")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class VTResults : System.Web.Services.WebService { public class Results { string Ticker; string BuyDate; decimal Buy; string SellDate; decimal Sell; string Profit; decimal Period; } [WebMethod] public Results[] GetResults() { string conn = ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString; SqlConnection myconn = new SqlConnection(conn); SqlCommand mycomm = new SqlCommand(); SqlDataAdapter myda = new SqlDataAdapter(); DataSet myds = new DataSet(); mycomm.CommandType = CommandType.StoredProcedure; mycomm.Connection = myconn; mycomm.CommandText = "dbo.Results"; myconn.Open(); myda.SelectCommand = mycomm; myda.Fill(myds); myconn.Close(); myconn.Dispose(); int i = 0; Results[] dts = new Results[myds.Tables[0].Rows.Count]; foreach(DataRow arow in myds.Tables[0].Rows) { dts[i] = new Results(); dts[i].Ticker = arow["Ticker"]; dts[i].BuyDate = arow["BuyDate"]; dts[1].Buy = arow["Buy"]; dts[i].SellDate = arow["SellDate"]; dts[i].Sell = arow["Sell"]; dts[i].Profit = arow["Profit"]; dts[i].Period = arow["Period"]; i+=1; } return dts; } } The VB.NET WEBSERVICE that runs fine which I am trying to convert to C# is here. Imports System.Web Imports System.Web.Services Imports System.Web.Services.Protocols Imports System.Data Imports System.Data.SqlClient <WebService(Namespace:="http://localhost:2597/Results/ResultsVT.aspx")> _ <WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _ <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Public Class VTResults Inherits System.Web.Services.WebService Public Class Results Public Ticker As String Public BuyDate As String Public Buy As Decimal Public SellDate As String Public Sell As Decimal Public Profit As String Public Period As Decimal End Class <WebMethod()> _ Public Function GetResults() As Results() Try Dim conn As String = ConfigurationManager.ConnectionStrings("LocalSqlServer").ConnectionString Dim myconn = New SqlConnection(conn) Dim mycomm As New SqlCommand Dim myda As New SqlDataAdapter Dim myds As New DataSet mycomm.CommandType = CommandType.StoredProcedure mycomm.Connection = myconn mycomm.CommandText = "dbo.Results" myconn.Open() myda.SelectCommand = mycomm myda.Fill(myds) myconn.Close() myconn.Dispose() Dim i As Integer i = 0 Dim dts As Results() = New Results(myds.Tables(0).Rows.Count - 1) {} Dim aRow As DataRow For Each aRow In myds.Tables(0).Rows dts(i) = New Results dts(i).Ticker = aRow("Ticker") dts(i).BuyDate = aRow("BuyDate") dts(i).Buy = aRow("Buy") dts(i).SellDate = aRow("SellDate") dts(i).Sell = aRow("Sell") dts(i).Profit = aRow("Profit") dts(i).Period = aRow("Period") i += 1 Next Return dts Catch ex As DataException Throw ex End Try End Function End Class

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• CodePlex Daily Summary for Thursday, April 01, 2010

  CodePlex Daily Summary for Thursday, April 01, 2010New ProjectsASP.NET Bing Maps: Extensible and easy to use, this is ASP.NET Bing Maps Control. Drag & Drop and is ready to go. You can configure map mode, map style, add a PushPin...Bricks' Bane: Bricks' Bane is a brick breaker game developed using XNA and published on XBox Live Indy Games. Source code includes a C# library useful for game d...cURL for dotnet: Another dotnet binding for libcurl see http://curl.haxx.se for more info about cURL/libcurlCustom Functoid que acessa o banco de dados SQL: Functoid para Biztalk Server 2006 utilizando dados do SQL Server 2005FEI STU Pharmacy e-shop: Elektronicky obchod s liekmi Vytvorte jednoduchú klient-server aplikáciu, ktorá bude realizovať elektronický obchod s liekmi. Moduly: 1. e-shop f...Flavours of Wix: Investigating building DSL's to create installers based on WIXFulcrum: Fulcrum is a code generation framework built on top of the T4 technology in Visual Studio. GreviousAngel: New team projectHabanero Inferno: Habanero Inferno coming soon.Kawo Pounga !: A useless game !!!LetsXNA!!: This is a project created by members of Linked In group Lets XNA!! to build a XNA game and have fun in the process. The goal is to build a simple ...Linq To Naver , Custom Linq Provider for Naver searchengine OpenAPI: <project name>Linq to Naver </project name> <programming language>C#, CSharp</programming language>LocoSync: LocoSync is a file Syncronization/Backup/Archiver program, which is easily extendable. It is easy to add new syncronization methods using C# code.Natural Language Processing: Natural Language ProcessingNop Commerce Azure: Ce projet vous permet de mettre en place rapidement et simplement votre site d'e-commerce en ligne en bénéficiant de tous les avantages de la plate...Nwinsock: Nwinsock is a component for network , Object Transfer, Pocket Compression, Support TCP,UDP Protocol, Thread Base OnTime: OnTime is a simple program from that matching game back in the day just to bring light to programming techniques. It's developed in C#.?OpenGL ES 2.0 Compact Framework Wrapper: OpenGL ES 2.0 wrapper for .NET Compact Framework. Developed on HTC HD 2 device but should run on any Windows Mobile device that has the correct lib...ortaknokta: bu proje: birkaç kişinin bir araya gelip, istedikleri konularda tartışma yapmalarına olanak saglamak icin hazırlanmaya çalışıl maktadır. P-Data: P-Data es una herramienta que permite obtener información procedente de archivos de datos (Data Profiling) a través de consultas SQL, automatizando...PowerAuras: Addon for World of Warcraft - Displays effects on screen at different conditionsPowerShell ToodleDo Module: PowerShell Module for interacting with toodledo.com online To-Do list site. RSS Reader for Windows Phone 7: This RSS Reader application for windows 7Streamlet Containers: This is my implement of STL-style containers, including a dynamic array, a double-linked list and an r-b-tree. Just for practice. Please feel free...Troav: Social encyclopedia built using c# and the Orchard frameworkUmbraco App_Code/Usercontrol Editor: Package for Umbraco to add App_Code and usercontrol editing to the Developer section of the Umbraco administration system. Will support GeSHi editi...Vczh Reactive Programming Library: Reactive programming library provide a stream or state machine view to use .NET eventsWhoIs XML API: The project uses the public WhoIs XML API service (http://www.whoisxmlapi.com/) to obtain detailed details. The project is written in C# and serial...WPF FlowDocument Examples for VS2008 and VS2010: WPF Text Samples (especially FlowDocument) on the various possible effects: sub- and super-script, ruby (a.k.a. furigana), and various others...You are here (for Windows Mobile): This sample shows you how to play a *.wav file on your device with Compact Framework 2.0. There is better support for playing music on Compact F...New Releases( λunula ): Lunula 0.4.0: Changelog Implemented a virtual machine. Implemented a compiler for the virtual machine. 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This release contains only limited amount of fixes and new features from user point of view. Major focus f...CSharpQuery: Version 1.0: This version is stable. Please report any possible bugs. The next release will include a sample project and index management tools. Until then pl...Custom Functoid que acessa o banco de dados SQL: Custom Functoid SQL Server: Solução do Visual Studio com código fonte e script SQL do functoid em BiztalkDawf: Dual Audio Workflow: Beta 3: Suppose if two good audio events overlap in time with a videoevent of interest. (This can only happen if PluralEyes isn't used on everything). Befo...Dirac codec user interface: Dirac User Interface (checkin 37132): Same as 36795 version, but done with the last source code.DotNetNuke® Blog: 04.00.00 RC 3: PLEASE NOTE: You may upgrade an RC 2 install. But please do not upgrade previous version of the Beta releases - please start from RC 2 or 03.05.0...DotNetNuke® Skinning Extensions: SimpleTitle Skin Object: This is an example skin object that only renders the "page name" if used in a skin and the "module title" if used in a container. No extra spans, c...Fulcrum: Fulcrum v0.9: Initial release of FulcrumHelloTipi Photos Uploader: Version 2010.03.31: De toute petites corrections : - Correction du bouton envoyer - Impossible d'interagir avec l'application quand on uploadkdar: KDAR 0.0.18: KDAR - Kernel Debugger Anti Rootkit - dispacth table's signature bases updated ( many driver's) - scripts refactored - some bug fixedLegend: Legend Libraries: The latest release.Linq To Naver , Custom Linq Provider for Naver searchengine OpenAPI: Linq to Naver: Linq to NaverLive at Education Meta Web-Service: Live at Education Meta Web Service v. 1.0: We're happy to publish final version of Live at Education Meta Web Serivce (LAEMWS). In this release: Huge list of Windows Live ID enabled servic...Live@edu SSO WebPart for MOSS 2007: WebPart 2.0: This release is based on Live@edu Meta Web Service (laemws - http://laemws.codeplex.com). It is highly recomended to use laemws version of webpart,...LocoSync: LocoSync v0.1r2010.03.31 installer: This is the first public release. Unzip and run setup. Or if you have .net 3.5 runtime available download the exetutable and try...Natural Language Processing: test1: testNop Commerce Azure: Nop Commerce Azure: Nop Commerce Full Sources with additionnals Azure Projects.Nwinsock: NWinsock: Nwinsock version 1.0 is hereOpen NFe: DANFe v1.9.8: Correção CSTOpenGL ES 2.0 Compact Framework Wrapper: v0.1 Sources: First rough release. It has a working sample application which renders a triangle with rotation. Don't expect anything great. Just a very early ...patterns & practices - Windows Azure Guidance: Code Drop 3: Second iteration of a-Expense on Azure. 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Inst...Process Enactment Tool Framework: PET 1.1: PET Core new intermediate model with arbitrary "clean" relations among objects and several updates of the object fields (see DependencyInterfacesA...Project Tru Tiên: Elements-test V1-fix (v1): Là Elements-test V1 đã được fix các vấn đề sau: - Fix lỗi hiển thị thú cưỡi Hổ Kỳ Lân - Fix hiển thị tab tiếng trung --> sang tiếng việt - Fix hiể...Sentinel - Log Viewer: Sentinel 0.8.1 (nLog support): Build of the 0.8.1 code (svn revision 36823) which included support for both nLog and log4net that has been in SVN for a while but didn't have a bi...sgMotion Animation Library: SgMotion v1.1 (For Sunburn 1.3.1): SgMotion v1.1 (For Sunburn 1.3.1) This release includes both a Windows & Xbox sample. The sample is set to default at Forward rendering, but can e...sTASKedit: sTASKedit 44538 (Developer Alpha): + nearly all fields are viewed in this release for task verification and identifying of unknownsTest Project (ignore): asdf asdf asdf asdf asdf asdf asdf sadf sdf asdf a: ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ;dlf jkasdf ;lkasjdf ...Test Project (ignore): cdscs: csdcacacTroav: Traov20100331 Source Pre-Alpah: This is some experiements with implementing custom modules with Microsoft's Orchard frame work. This is very preliminary, and subject to change.Weather Report WebControls: WebWeatherReport: 主要文件的源代码WhoIs XML API: Initial Release: Initial ReleaseYou are here (for Windows Mobile): CAB file and Source Code: You can find more Controls and samples for Windows Mobile developers at: http://www.beemobile4.netMost Popular ProjectshmrEngineRawrWBFS ManagerASP.NET Ajax LibraryMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitAJAX Control ToolkitWindows Presentation Foundation (WPF)ASP.NETLiveUpload to FacebookMost Active ProjectsRawrGraffiti CMSBase Class LibrariesjQuery Library for SharePoint Web ServicesBlogEngine.NETMicrosoft Biology FoundationN2 CMSLINQ to TwitterManaged Extensibility FrameworkFarseer Physics Engine

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• Difference between Factory Method and Abstract Factory design patterns using C#.Net

  - by nijhawan.saurabh

  First of all I'll just put both these patterns in context and describe their intent as in the GOF book: Factory Method: Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.   Abstract Factory: Provide an interface for creating families of related or dependent objects without specifying their concrete classes.   Points to note:   Abstract factory pattern adds a layer of abstraction to the factory method pattern. The type of factory is not known to the client at compile time, this information is passed to the client at runtime (How it is passed is again dependent on the system, you may store this information in configuration files and the client can read it on execution). While implementing Abstract factory pattern, the factory classes can have multiple factory methods. In Abstract factory, a factory is capable of creating more than one type of product (Simpilar products are grouped together in a factory)   Sample implementation of factory method pattern   Let's see the class diagram first:                   ProductFactory.cs // ----------------------------------------------------------------------- // <copyright file="ProductFactory.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public abstract class ProductFactory     {         /// <summary>         /// </summary>         /// <returns>         /// </returns>         public abstract Product CreateProductInstance();     } }     ProductAFactory.cs // ----------------------------------------------------------------------- // <copyright file="ProductAFactory.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public class ProductAFactory:ProductFactory     {         public override Product CreateProductInstance()         {             return new ProductA();         }     } }         // ----------------------------------------------------------------------- // <copyright file="ProductBFactory.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public class ProductBFactory:ProductFactory     {         public override Product CreateProductInstance()         {             return new ProductB();           }     } }     // ----------------------------------------------------------------------- // <copyright file="Product.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public abstract class Product     {         public abstract string Name { get; set; }     } }     // ----------------------------------------------------------------------- // <copyright file="ProductA.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public class ProductA:Product     {         public ProductA()         {               Name = "ProductA";         }           public override string Name { get; set; }     } }       // ----------------------------------------------------------------------- // <copyright file="ProductB.cs" company=""> // TODO: Update copyright text. // </copyright> // -----------------------------------------------------------------------   namespace FactoryMethod {     using System;     using System.Collections.Generic;     using System.Linq;     using System.Text;       /// <summary>     /// TODO: Update summary.     /// </summary>     public class ProductB:Product     {          public ProductB()         {               Name = "ProductA";         }         public override string Name { get; set; }     } }     Program.cs using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace FactoryMethod {     class Program     {         static void Main(string[] args)         {             ProductFactory pf = new ProductAFactory();               Product product = pf.CreateProductInstance();             Console.WriteLine(product.Name);         }     } }       Normal 0 false false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• Local LINQtoSQL Database For Your Windows Phone 7 Application

  - by Tim Murphy

  There aren’t many applications that are of value without having some for of data store.  In Windows Phone development we have a few options.  You can store text directly to isolated storage.  You can also use a number of third party libraries to create or mimic databases in isolated storage.  With Mango we gained the ability to have a native .NET database approach which uses LINQ to SQL.  In this article I will try to bring together the components needed to implement this last type of data store and fill in some of the blanks that I think other articles have left out. Defining A Database The first things you are going to need to do is define classes that represent your tables and a data context class that is used as the overall database definition.  The table class consists of column definitions as you would expect.  They can have relationships and constraints as with any relational DBMS.  Below is an example of a table definition. First you will need to add some assembly references to the code file. using System.ComponentModel;using System.Data.Linq;using System.Data.Linq.Mapping; You can then add the table class and its associated columns.  It needs to implement INotifyPropertyChanged and INotifyPropertyChanging.  Each level of the class needs to be decorated with the attribute appropriate for that part of the definition.  Where the class represents the table the properties represent the columns.  In this example you will see that the column is marked as a primary key and not nullable with a an auto generated value. You will also notice that the in the column property’s set method It uses the NotifyPropertyChanging and NotifyPropertyChanged methods in order to make sure that the proper events are fired. [Table]public class MyTable: INotifyPropertyChanged, INotifyPropertyChanging{ public event PropertyChangedEventHandler PropertyChanged; private void NotifyPropertyChanged(string propertyName) { if(PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public event PropertyChangingEventHandler PropertyChanging; private void NotifyPropertyChanging(string propertyName) { if(PropertyChanging != null) { PropertyChanging(this, new PropertyChangingEventArgs(propertyName)); } } private int _TableKey; [Column(IsPrimaryKey = true, IsDbGenerated = true, DbType = "INT NOT NULL Identity", CanBeNull = false, AutoSync = AutoSync.OnInsert)] public int TableKey { get { return _TableKey; } set { NotifyPropertyChanging("TableKey"); _TableKey = value; NotifyPropertyChanged("TableKey"); } } The last part of the database definition that needs to be created is the data context.  This is a simple class that takes an isolated storage location connection string its constructor and then instantiates tables as public properties. public class MyDataContext: DataContext{ public MyDataContext(string connectionString): base(connectionString) { MyRecords = this.GetTable<MyTable>(); } public Table<MyTable> MyRecords;} Creating A New Database Instance Now that we have a database definition it is time to create an instance of the data context within our Windows Phone app.  When your app fires up it should check if the database already exists and create an instance if it does not.  I would suggest that this be part of the constructor of your ViewModel. db = new MyDataContext(connectionString);if(!db.DatabaseExists()){ db.CreateDatabase();} The next thing you have to know is how the connection string for isolated storage should be constructed.  The main sticking point I have found is that the database cannot be created unless the file mode is read/write.  You may have different connection strings but the initial one needs to be similar to the following. string connString = "Data Source = 'isostore:/MyApp.sdf'; File Mode = read write"; Using you database Now that you have done all the up front work it is time to put the database to use.  To make your life a little easier and keep proper separation between your view and your viewmodel you should add a couple of methods to the viewmodel.  These will do the CRUD work of your application.  What you will notice is that the SubmitChanges method is the secret sauce in all of the methods that change data. private myDataContext myDb;private ObservableCollection<MyTable> _viewRecords;public ObservableCollection<MyTable> ViewRecords{ get { return _viewRecords; } set { _viewRecords = value; NotifyPropertyChanged("ViewRecords"); }}public void LoadMedstarDbData(){ var tempItems = from MyTable myRecord in myDb.LocalScans select myRecord; ViewRecords = new ObservableCollection<MyTable>(tempItems);}public void SaveChangesToDb(){ myDb.SubmitChanges();}public void AddMyTableItem(MyTable newScan){ myDb.LocalScans.InsertOnSubmit(newScan); myDb.SubmitChanges();}public void DeleteMyTableItem(MyTable newScan){ myDb.LocalScans.DeleteOnSubmit(newScan); myDb.SubmitChanges();} Updating existing database What happens when you need to change the structure of your database?  Unfortunately you have to add code to your application that checks the version of the database which over time will create some pollution in your codes base.  On the other hand it does give you control of the update.  In this example you will see the DatabaseSchemaUpdater in action.  Assuming we added a “Notes” field to the MyTable structure, the following code will check if the database is the latest version and add the field if it isn’t. if(!myDb.DatabaseExists()){ myDb.CreateDatabase();}else{ DatabaseSchemaUpdater dbUdater = myDb.CreateDatabaseSchemaUpdater(); if(dbUdater.DatabaseSchemaVersion < 2) { dbUdater.AddColumn<MyTable>("Notes"); dbUdater.DatabaseSchemaVersion = 2; dbUdater.Execute(); }} Summary This approach does take a fairly large amount of work, but I think the end product is robust and very native for .NET developers.  It turns out to be worth the investment. del.icio.us Tags: Windows Phone,Windows Phone 7,LINQ to SQL,LINQ,Database,Isolated Storage

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• Query Execution Failed in Reporting Services reports

  - by Chris Herring

  I have some reporting services reports that talk to Analysis Services and at times they fail with the following error: An error occurred during client rendering. An error has occurred during report processing. Query execution failed for dataset 'AccountManagerAccountManager'. The connection cannot be used while an XmlReader object is open. This occurs sometimes when I change selections in the filter. It also occurs when the machine has been under heavy load and then will consistently error until SSAS is restarted. The log file contains the following error: processing!ReportServer_0-18!738!04/06/2010-11:01:14:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'., ; Info: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'. ---> System.InvalidOperationException: The connection cannot be used while an XmlReader object is open. at Microsoft.AnalysisServices.AdomdClient.XmlaClient.CheckConnection() at Microsoft.AnalysisServices.AdomdClient.XmlaClient.ExecuteStatement(String statement, IDictionary connectionProperties, IDictionary commandProperties, IDataParameterCollection parameters, Boolean isMdx) at Microsoft.AnalysisServices.AdomdClient.AdomdConnection.XmlaClientProvider.Microsoft.AnalysisServices.AdomdClient.IExecuteProvider.ExecuteTabular(CommandBehavior behavior, ICommandContentProvider contentProvider, AdomdPropertyCollection commandProperties, IDataParameterCollection parameters) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.DataExtensions.AdoMdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery() Can anyone shed light on this issue?

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• Query Execution Failed in Reporting Services reports

  - by Chris Herring

  I have some reporting services reports that talk to Analysis Services and at times they fail with the following error: An error occurred during client rendering. An error has occurred during report processing. Query execution failed for dataset 'AccountManagerAccountManager'. The connection cannot be used while an XmlReader object is open. This occurs sometimes when I change selections in the filter. It also occurs when the machine has been under heavy load and then will consistently error until SSAS is restarted. The log file contains the following error: processing!ReportServer_0-18!738!04/06/2010-11:01:14:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'., ; Info: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'. ---> System.InvalidOperationException: The connection cannot be used while an XmlReader object is open. at Microsoft.AnalysisServices.AdomdClient.XmlaClient.CheckConnection() at Microsoft.AnalysisServices.AdomdClient.XmlaClient.ExecuteStatement(String statement, IDictionary connectionProperties, IDictionary commandProperties, IDataParameterCollection parameters, Boolean isMdx) at Microsoft.AnalysisServices.AdomdClient.AdomdConnection.XmlaClientProvider.Microsoft.AnalysisServices.AdomdClient.IExecuteProvider.ExecuteTabular(CommandBehavior behavior, ICommandContentProvider contentProvider, AdomdPropertyCollection commandProperties, IDataParameterCollection parameters) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.DataExtensions.AdoMdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery() Can anyone shed light on this issue?

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• Math.max and Math.min outputting highest and lowest values allowed

  - by user1696162

  so I'm trying to make a program that will output the sum, average, and smallest and largest values. I have everything basically figured out except the smallest and largest values are outputting 2147483647 and -2147483647, which I believe are the absolute smallest and largest values that Java will compute. Anyway, I want to compute the numbers that a user enters, so this obviously isn't correct. Here is my class. I assume something is going wrong in the addValue method. public class DataSet { private int sum; private int count; private int largest; private int smallest; private double average; public DataSet() { sum = 0; count = 0; largest = Integer.MAX_VALUE; smallest = Integer.MIN_VALUE; average = 0; } public void addValue(int x) { count++; sum = sum + x; largest = Math.max(x, largest); smallest = Math.min(x, smallest); } public int getSum() { return sum; } public double getAverage() { average = sum / count; return average; } public int getCount() { return count; } public int getLargest() { return largest; } public int getSmallest() { return smallest; } } And here is my tester class for this project: public class DataSetTester { public static void main(String[] arg) { DataSet ds = new DataSet(); ds.addValue(13); ds.addValue(-2); ds.addValue(3); ds.addValue(0); System.out.println("Count: " + ds.getCount()); System.out.println("Sum: " + ds.getSum()); System.out.println("Average: " + ds.getAverage()); System.out.println("Smallest: " + ds.getSmallest()); System.out.println("Largest: " + ds.getLargest()); } } Everything outputs correctly (count, sum, average) except the smallest and largest numbers. If anyone could point me in the right direction of what I'm doing wrong, that would be great. Thanks.

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• Axis value changes in barchart while swapping the phone using Achartengine

  - by Vasu

  Hi I have included the Barchart using AchartEngine API .When I swap the orientation of the screen the yaxis value is altered as same values. For eg. initially it is (0,10) , (10,25) but after swapping its changes to (0,10), (10,10) i could not understand why it is happening . And I have place string in x axis instead of numbers , I used addtextlabel method but the string is overlapped on the number . I need to display only the names. could you help on this. I have included my code here. public class Analytics extends Activity implements OnClickListener { private Button settings_btn; private RelativeLayout relativeLayout3; private boolean isClicked = false; private static final int SERIES_NR = 1; static int multiple_of_five; private GraphicalView mChartView; XYMultipleSeriesRenderer renderer; static int value=20; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.analytics); settings_btn = (Button) findViewById(R.id.settings_btn); relativeLayout3 = (RelativeLayout) findViewById(R.id.relativeLayout3); settings_btn.setOnClickListener(this); if (SharedValues.isClicked) { relativeLayout3.setVisibility(View.VISIBLE); } else { relativeLayout3.setVisibility(View.GONE); } renderer = getBarDemoRenderer(); setChartSettings(renderer); if (mChartView == null) { RelativeLayout layout = (RelativeLayout) findViewById(R.id.relativeLayout5); // mChartView= ChartFactory.getLineChartView(this, getDemoDataset(), getDemoRenderer()); mChartView = ChartFactory.getBarChartView(getApplicationContext(),getBarDemoDataset(),renderer,Type.DEFAULT); layout.addView(mChartView,new LayoutParams(LayoutParams.FILL_PARENT, 280)); } else { mChartView.repaint(); } // Intent intent = ChartFactory.getLineChartIntent(this, getDemoDataset(), getDemoRenderer()); // intent = ChartFactory.getBarChartIntent(this, getBarDemoDataset(), renderer, Type.DEFAULT); // startActivity(intent); } @Override protected void onResume() { super.onResume(); } public XYMultipleSeriesRenderer getBarDemoRenderer() { XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); renderer.setAxisTitleTextSize(16); renderer.setChartTitleTextSize(20); renderer.setLabelsTextSize(15); renderer.setLegendTextSize(15); // renderer.setApplyBackgroundColor(true); // renderer.setBackgroundColor(R.color.chart_bg); // renderer.setMarginsColor(R.color.settings_bg_color); // renderer.setBackgroundColor(getResources().getColor(R.color.background)); renderer.setPanEnabled(false, false); renderer.setZoomEnabled(false, false); renderer.setMargins(new int[] {0, 10, 0, 0}); SimpleSeriesRenderer r = new SimpleSeriesRenderer(); // r.setColor(Color.MAGENTA); // renderer.addSeriesRenderer(r); r = new SimpleSeriesRenderer(); r.setColor(Color.CYAN); renderer.addSeriesRenderer(r); return renderer; } private void setChartSettings(XYMultipleSeriesRenderer renderer) { // renderer.setChartTitle("Chart demo"); // renderer.setXTitle("x values"); // renderer.setYTitle("y values"); renderer.setXAxisMin(2); renderer.setMarginsColor(Color.parseColor("#00F5DA81")); renderer.addXTextLabel(1.0, "Q1"); renderer.addXTextLabel(3.0, "Q2"); renderer.addXTextLabel(5.0, "Q3"); renderer.addXTextLabel(7.0, "Q4"); renderer.addXTextLabel(9.0, "Q5"); renderer.setXAxisMax(20); renderer.setYAxisMin(0); renderer.setYAxisMax(100); renderer.setZoomEnabled(false, false); // renderer.setApplyBackgroundColor(true); // renderer.setMarginsColor(R.color.settings_bg_color); renderer.setBackgroundColor(Color.TRANSPARENT); // renderer.setBackgroundColor(R.color.chart_bg); } private XYMultipleSeriesDataset getDemoDataset() { XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); final int nr = 10; Random r = new Random(); for (int i = 0; i < SERIES_NR; i++) { XYSeries series = new XYSeries(""); for (int k = 0; k < nr; k++) { if(k%2==1) { series.add(0, 0); } else { series.add(k, 20); } } dataset.addSeries(series); } return dataset; } private XYMultipleSeriesRenderer getDemoRenderer() { XYMultipleSeriesRenderer renderer = new XYMultipleSeriesRenderer(); renderer.setAxisTitleTextSize(6); renderer.setChartTitleTextSize(10); renderer.setLabelsTextSize(5); renderer.setLegendTextSize(5); renderer.setPointSize(5f); // renderer.setMarginsColor(R.color.settings_bg_color); // renderer.setApplyBackgroundColor(true); // renderer.setBackgroundColor(R.color.chart_bg); renderer.setMargins(new int[] {20, 30, 15, 0}); XYSeriesRenderer r = new XYSeriesRenderer(); r.setColor(Color.BLUE); r.setPointStyle(PointStyle.SQUARE); r.setFillBelowLine(true); r.setFillBelowLineColor(Color.WHITE); r.setFillPoints(true); renderer.addSeriesRenderer(r); r = new XYSeriesRenderer(); r.setPointStyle(PointStyle.CIRCLE); r.setColor(Color.GREEN); r.setFillPoints(true); renderer.addSeriesRenderer(r); renderer.setAxesColor(Color.DKGRAY); renderer.setLabelsColor(Color.LTGRAY); return renderer; } private XYMultipleSeriesDataset getBarDemoDataset() { XYMultipleSeriesDataset dataset = new XYMultipleSeriesDataset(); final int nr = 10; Random r = new Random(); for (int i = 0; i < SERIES_NR; i++) { CategorySeries series = new CategorySeries("Quadrant"); for (int k = 0; k < nr; k++) { value=value+5; // multiple_of_five=k+5; // Log.i("multiple_of_five", ""+multiple_of_five); // series.add(20 +multiple_of_five ); if(k%2==1){ series.add(value ); } else { series.add(0); } } dataset.addSeries(series.toXYSeries()); } return dataset; } @Override public void onClick(View v) { if (v == settings_btn) { if (SharedValues.isClicked) { relativeLayout3.setVisibility(View.GONE); SharedValues.isClicked = false; } else { relativeLayout3.setVisibility(View.VISIBLE); SharedValues.isClicked = true; } } } }

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• DBUnit - Creating parital datasets of dependent tables

  Hi, Is there a way to create a partial dataset of the dependent tables in DBUnit? For example I need to create a dataset of the primary table as well as the dependent tables each with say, 25 rows (As the data in the tables is huge). Thanks, R

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• DataTable not auto incrementing when database changed to SQL server 2008

  - by Rigobert Song

  I have scripted my SQL server 2000 database and created it on a 2008 server. I update the database using a ADO .Net Dataset designed in VS 2003. My problem is certain tables that have identity fields don't have these fields as auto increment in the dataset? I could set these to auto increment in code, but this seams like a work around. Has anyone encountered this problem?

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• radgridview delete update in asp.net

  - by abhi

  i have written the follwing to display data from the datagrid and den insert new rows but how do i perform update and delete plss help here's my code using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using Telerik.Web.UI; using System.Data.SqlClient; public partial class Default6 : System.Web.UI.Page { string strQry, strCon; SqlDataAdapter da; SqlConnection con; DataSet ds; protected void Page_Load(object sender, EventArgs e) { strCon = "Data Source=MINETDEVDATA; Initial Catalog=ML_SuppliersProd; User Id=sa; Password=@MinetApps7;"; con = new SqlConnection(strCon); strQry = "SELECT * FROM table1"; da = new SqlDataAdapter(strQry, con); SqlCommandBuilder cmdbuild = new SqlCommandBuilder(da); ds = new DataSet(); da.Fill(ds, "table1"); RadGrid1.DataSource = ds.Tables["table1"]; RadGrid1.DataBind(); Label3.Visible = false; Label4.Visible = false; Label5.Visible = false; txtFname.Visible = false; txtLname.Visible = false; txtDesignation.Visible = false; } protected void Submit_Click(object sender, EventArgs e) { Label3.Visible = true; Label4.Visible = true; Label5.Visible = true; txtFname.Visible = true; txtLname.Visible = true; txtDesignation.Visible = true; } protected void Button2_Click(object sender, EventArgs e) { DataSet ds = new DataSet("EmployeeSet"); da.Fill(ds, "table1"); DataTable EmployeeTable = ds.Tables["table1"]; DataRow row = EmployeeTable.NewRow(); row["Fname"] = txtFname.Text.ToString(); row["Lname"] = txtLname.Text.ToString(); row["Designation"] = txtDesignation.Text.ToString(); EmployeeTable.Rows.Add(row); da.Update(ds, "table1"); //RadGrid1.DataSource = ds.Tables["table1"]; //RadGrid1.DataBind(); txtFname.Text = ""; txtLname.Text = ""; txtDesignation.Text = ""; } protected void RadGrid1_DeleteCommand(object source, GridCommandEventArgs e) { } } }

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• Rich Text Box. .NET 2.0 Content formatting.

  - by Ranjit

  I have a small windows client application data bound to a single table backend. I created a DataSet using the wizard in VS 2005, and it automatically create the underlying adapter and a GridView. I also have a RichText control and bound it to this DataSet. All well so far but, I need to replace certain characters(~) on the fly before the data is shown in the RichTextbox. Can this be done.

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• VB.NET Winform & UltraTree ?

  - by bochur1

  Can someone tell me how I can binding an Ultratree to a Bindingsource? Binding it to a dataset won't work for me since I need to be able to do filters on the data, something I have in the BindingSource but not in the Dataset.

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• How can one prevent page breaks between Tables in SQL Reporting Services 2005?

  - by James

  I've been developing an SSRS 2005 report (a form letter) that contains two tables. The first "table" uses DataSet "A" to populate address fields on letterhead. The second table uses DataSet "B" to display a basic list of records that pertain to the addressed party. Even though the two tables are within the same page and all PageBreak* properties are set to "False", SSRS renders the report as two pages. How can I force both tables to render in series, without any forced page breaks?

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