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• Start Default Browser - Windows

  - by dbasnett

  When starting the default browser like this: Dim trgt1 As String = "http://www.vbforums.com/showthread.php?t=612471" pi.FileName = trgt1 System.Diagnostics.Process.Start(pi) It takes about 40 seconds to open the page. If I do it like this, though this isn't the default browser Dim trgt1 As String = "http://www.vbforums.com/showthread.php?t=612471" pi.Arguments = trgt1 pi.FileName = "iexplore.exe" 'or firefox.exe System.Diagnostics.Process.Start(pi) it opens immediately. Is this a bug or a feature? I have tried this with both IE and FireFox set to be the default browser.

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• How to run a ".bat" file during installation?

  - by mammadalius

  In a Setup project the executable files such as ".exe , .dll , .js , .vbs" are acceptable and there is no way to run a .bat file in a Custom Action. The question is how to run the "xxxxxx.bat" during installation?

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• In VB.net websites, VS2008 ALWAYS uses space indentation for new files

  - by Jez

  So, I've changed my settings in Tools | Options | Text Editor, for All Languages, Basic, and C#, to having Block indenting, and 'Keep tabs'. I've also tried this with Smart indenting too. Now, although once I start editing a file, its auto indentation is done with tabs, when I create a new web form in my ASP.net website, VS2008 insists on creating the initial code with space indentation. So for example, I'll get an aspx.vb file for my new page like so: Partial Class Admin_Index Inherits System.Web.UI.Page End Class Note that the 'Inherits' line is SPACE-indented, even though I have the text editor settings set to keep tabs. Is there any way I can make the default created files indented with tabs, not spaces? Or is VS just too stubborn? :-) By the way, please don't just respond and say this is petty as I can quickly change that one line of indentation to using a tab. I know this, but I have a software team that find it irritating as we have an SVN hook that prevents checkins if there's any space-indentation. It would be very useful if any newly-created files have tab indentation from the start, rather than us having to change it every time.

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• Changing DataGridView Column Properties in VB Code

  - by VBeginner

  So I'm adding columns in the code, rather than design view... frmMain.dgv_test.Columns.Add("col1", "1") frmMain.dgv_test.Columns.Add("col2", "2") 'etc How do I edit properties such as Column Width, Frozen, and all the other properties that can be seen in the design view if I were to "design" a column? Thank you.

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• VS2008: File creation fails randomly in unit testing?

  - by Tim

  I'm working on implementing a reasonably simple XML serializer/deserializer (log file parser) application in C# .NET with VS 2008. I have about 50 unit tests right now for various parts of the code (mostly for the various serialization operations), and some of them seem to be failing mostly at random when they deal with file I/O. The way the tests are structured is that in the test setup method, I create a new empty file at a certain predetermined location, and close the stream I get back. Then I run some basic tests on the file (varying by what exactly is under test). In the cleanup method, I delete the file again. A large portion (usually 30 or more, though the number varies run to run) of my unit tests will fail at the initialize method, claiming they can't access the file I'm trying to create. I can't pin down the exact reason, since a test that will work one run fails the next; they all succeed when run individually. What's the problem here? Why can't I access this file across multiple unit tests? Relevant methods for a unit test that will fail some of the time: [TestInitialize()] public void LogFileTestInitialize() { this.testFolder = System.Environment.GetFolderPath( System.Environment.SpecialFolder.LocalApplicationData ); this.testPath = this.testFolder + "\\empty.lfp"; System.IO.File.Create(this.testPath); } [TestMethod()] public void LogFileConstructorTest() { string filePath = this.testPath; LogFile target = new LogFile(filePath); Assert.AreNotEqual(null, target); Assert.AreEqual(this.testPath, target.filePath); Assert.AreEqual("empty.lfp", target.fileName); Assert.AreEqual(this.testFolder + "\\empty.lfp.lfpdat", target.metaPath); } [TestCleanup()] public void LogFileTestCleanup() { System.IO.File.Delete(this.testPath); } And the LogFile() constructor: public LogFile(String filePath) { this.entries = new List<Entry>(); this.filePath = filePath; this.metaPath = filePath + ".lfpdat"; this.fileName = filePath.Substring(filePath.LastIndexOf("\\") + 1); } The precise error message: Initialization method LogFileParserTester.LogFileTest.LogFileTestInitialize threw exception. System.IO.IOException: System.IO.IOException: The process cannot access the file 'C:\Users\<user>\AppData\Local\empty.lfp' because it is being used by another process..

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• ASP.Net Custom Field From Query In DataSet

  - by boruchsiper

  I added a new query to a table adapter in a DataSet. This query adds another field to the query whcih is a sum from another table. Here is the full query: SELECT (SELECT COUNT(donationID) AS Expr1 FROM Donations AS da WHERE (dn.donorID = donorID)) AS Count, Solicitor, address1, address2, city, companyName, country, donorID, email, first, last, phoneHome, phoneMobile, phoneWork, state, webURL, zip, (select sum(amount) from Donations as dna where dna.donorID = dn.donorID) as SumDonations FROM Donors AS dn order by last The new field is represented in the last part of the query: (select sum(amount) from Donations as dna where dna.donorID = dn.donorID) as SumDonations I can preview the data in the xsd but the last field "SumDonations" is not showing up as a field I can add to my gridview. I rebuilt the website but no luck. What am I missing?

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• How to find all Classes implemeting IDisposable?

  - by apoorv020

  I am working on a large project, and one of my tasks is to remove possible memory leaks. In my code, I have noticed several IDisposable items not being disposed of, and have fixed that. However, that leads me to a more basic question, how do I find all classes used in my project that implement IDisposable? (Not custom created classes by normal Library classes). I have already found one less-than-obvious class that implements IDisposable ( DataTable implements MarshalByValueComponent, which inherits IDisposable). Right now, I am manually checking any suspected classes by using MSDN, but isn't there some way through which I can automate this process?

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• Guidelines to an Iterator Class

  - by isurulucky

  Hi, I have a Red Black tree implemented in c++. It supports the functionality of a STL map. Tree nodes contain keys and the values mapped. I want to write an iterator class for this, but I'm stuck with how to do it. Should I make it an inner class of the Tree class? Can anyone give me some guidelines on how to write it + some resources?? Thank You!!

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• Access 2003 - Embedded ppt slide or Excel Spreadsheet in a form, how do I communicate?

  - by Justin

  So if I was to take a an access form, and embed either an excel spreadsheet into it, or a powerpoint slide/pres, how would I reference it in VBA code? So I know I have to set the libraries, name the frame of the OLE object, and use applicable syntax to whatever I want to do, with whatever I stick in the form, however the only things I have ever done with excel and/or powerpoint is automate the opening of a seperate window/application from access, not within the access form....so I am not sure?? if I said its a new Excel.Application, then set xls = to (the ss in the file, and not some file path of another excel file somewhere)? does that make sense?

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• Debugger Visualizer and "Type is not marked as serializable"

  - by Andrey

  I am trying to create a debugger visualizer that would show control hierarchy for any Control. It's done but I'm getting the exception "Type is not marked as serializable". How do I overcome that? Control is a .NET Windows Forms framework type, I can't mark it as serializable.

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• Accessing another project's settings file

  - by KrisTrip

  Is there a way to access the settings file from a different project? For example, I have a solution that contains 2 projects (Lets call them Proj1 and Proj2). I want to access the application settings of Proj2 from Program.cs in Proj1. Is this possible?

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• ftp .net getdirectory size

  - by Xaver

  hi i write method which must to know that is size of specified directory i get response from server which contains flags of file name size and other info and on the different ftp servers format of answer is different how to know format of answer? unsigned long long GetFtpDirSize(String^ ftpDir) { unsigned long long size = 0; int j = 0; StringBuilder^ result = gcnew StringBuilder(); StreamReader^ reader; FtpWebRequest^ reqFTP; reqFTP = (FtpWebRequest^)FtpWebRequest::Create(gcnew Uri(ftpDir)); reqFTP->UseBinary = true; reqFTP->Credentials = gcnew NetworkCredential("anonymous", "123"); reqFTP->Method = WebRequestMethods::Ftp::ListDirectoryDetails; reqFTP->KeepAlive = false; reqFTP->UsePassive = false; try { WebResponse^ resp = reqFTP->GetResponse(); Encoding^ code; code = Encoding::GetEncoding(1251); reader = gcnew StreamReader(resp->GetResponseStream(), code); String^ line = reader->ReadToEnd(); array<Char>^delimiters = gcnew array<Char>{ '\r', '\n' }; array<Char>^delimiters2 = gcnew array<Char>{ ' ' }; array<String^>^words = line->Split(delimiters, StringSplitOptions::RemoveEmptyEntries); array<String^>^DetPr; System::Collections::IEnumerator^ myEnum = words->GetEnumerator(); while ( myEnum->MoveNext() ) { String^ word = safe_cast<String^>(myEnum->Current); DetPr = word->Split(delimiters2); } }

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• where can I download the assembly MPF.Project.NonShipping.dll?

  - by pedro

  I want to use HierarchyNode class which is in the Microsoft.VisualStudio.Package namespace and the assembly is MPF.Project.NonShipping.dll. There was no assembly on the .net reference or on the COM. I searched for the file, but it was not on the machine. I also tried to google the dll if we could download it, but there was no link, whatsoever about the download. I am using VS 2008 sp1 by the way. Thanks in advance.

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• how to refresh/reload dhtmlx grid

  - by steve

  I am using dhtmlx grid.I have two grids named grid1,grid2. I have loaded the two grids using json object. If i select one record in the grid1 and click on the button that record has to load in the second record.I am able to load that selected record in the second grid using document.location.reload(true);with this, the total page is refreshing.but i want to refresh grid2 only. I want to refresh grid2 only after click on the button.how can i refresh/reload grid2.

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• implementing Ws-security within WCF proxy

  - by harrisonmeister

  Hi, I have imported an axis based wsdl into a VS 2008 project as a service reference. I need to be able to pass security details such as username/password and nonce values to call the axis based service. I have looked into doing it for wse, which i understand the world hates (no issues there) I have very little experience of WCF, but have worked how to physically call the endpoint now, thanks to SO, but have no idea how to set up the SoapHeaders as the schema below shows: <S:Envelope xmlns:S="http://www.w3.org/2001/12/soap-envelope" xmlns:ws="http://schemas.xmlsoap.org/ws/2002/04/secext"> <S:Header> <ws:Security> <ws:UsernameToken> <ws:Username>aarons</ws:Username> <ws:Password>snoraa</ws:Password> </ws:UsernameToken> </wsse:Security> ••• </S:Header> ••• </S:Envelope> Any help much appreciated Thanks, Mark

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• Do I need to Install ASP.Net Framework on server to host Web app in ASP.Net 2003?

  - by Dee

  Do I need to Install ASP.Net Framework on server to host Web app in ASP.Net 2003? I have all .net 2003 dlls in GAC.

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• Using libcurl & SSL

  - by Haraldo

  Hi there. I've found there is really very little information around on this topic. I already have a dll making successful posts using libcurl. I've compiled libcurl with openssl for ssl functionality. Here is an exert of my original curl setup. curl_easy_setopt(handle, CURLOPT_ERRORBUFFER, errorBuffer); //curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER , 1); //curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST , 1); //curl_easy_setopt(curl, CURLOPT_CAINFO , "./ca.cert"); curl_easy_setopt(handle, CURLOPT_POSTFIELDS, cParam); curl_easy_setopt(handle, CURLOPT_POSTFIELDSIZE, strlen(cParam)); curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1); curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, Request::writer); curl_easy_setopt(handle, CURLOPT_WRITEDATA, &buffer); curl_easy_setopt(handle, CURLOPT_URL, cURL); My question to those who've done this before, is it as easy as just adding those lines above to get SSL to work (as long as the certificate exists)? Or is it more complicated? The funny thing is I'm not completely sure how SSL works. I've never worked with it before. Do I need to store a key in my application and send it with each request? Anyway my main question was the first. Thank you in advance.

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• Can I write for .Net 4 using VS2008?

  - by chillitom

  Can I write code against .Net 4 and its libraries using VS2008? If so how should I configure it? I realise that VS2008 will probably struggle with language changes such as the dynamic keyword but can I install the version 4 and target it anyway? My only real interest is in being able to use some of the new libraries, in particular I'm interested in the TPL (http://en.wikipedia.org/wiki/Parallel_Extensions)

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• TextTemplatingFileGenerator not found

  - by ldsenow

  Hi guys, Im using vs 2008 sp1 but somehow the TextTemplatingFileGenerator for t4 is missing when I run custom tool. I tried to repair and reinstall the vs 2008 but could not make it work. Do you guys have any ideas to get it back?

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• Concrete Implementation of Generic Form Not Working in Designer

  - by Dov

  I have a base class, defined as below (I'm also using DevExpress components): public abstract partial class BaseFormClass<R> : XtraForm where R : DataRow { ... } Contrary to what I've read from elsewhere, I'm still able to design this class. I didn't have to create a concrete class from it to do so. But, when I create a concrete class descended from it (as below), that class won't work in the designer. public partial class ConcreteFormClass : BaseFormClass<StronglyTypedRow> { ... } I get this message: The designer could not be shown for this file because none of the classes within it can be designed. The designer inspected the following classes in the file: ConcreteFormClass --- The base class 'BaseFormClass' could not be loaded. Ensure the assembly has been referenced and that all projects have been built. Has anyone seen this before? Any sort of known workaround?

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• Type '_Default' already contains a definition

  - by salvationishere

  I am developing a C# VS 2008 / SQL Server 2008 website. I have a Gridview. I included the Default.aspx and aspx.cs files below. But when I build this I get the below error: The Type '_Default' already contains a definition for 'btnOWrite' What do I need to do to fix this? I am not getting any errors now; just that this grid does not show up. Thanks! ASPX file: <%@ Page Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" Title="Untitled Page" %> <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="Server"> <asp:Panel runat="server" ID="AuthenticatedMessagePanel"> <asp:Label runat="server" ID="WelcomeBackMessage"></asp:Label> <table> <tr> <td> <asp:Label ID="tableLabel" runat="server" Font-Bold="True" Text="Select target table:"></asp:Label> </td> <td> <asp:Label ID="inputLabel" runat="server" Font-Bold="True" Text="Select input file:"></asp:Label> </td> </tr> <tr> <td valign="top"> <asp:Label ID="feedbackLabel" runat="server"></asp:Label> <asp:SqlDataSource ID="SelectTables" runat="server" ConnectionString="<%$ ConnectionStrings:AdventureWorks3_SelectTables %>" SelectCommand="getTableNames" SelectCommandType="StoredProcedure"> <SelectParameters> <asp:QueryStringParameter DefaultValue="Person" Name="SchemaName" QueryStringField="SchemaName" Type="String" /> </SelectParameters> </asp:SqlDataSource> <asp:GridView ID="GridView1" DataSourceID="SelectTables" runat="server" Style="width: 400px;" CellPadding="4" ForeColor="#333333" GridLines="None" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" AutoGenerateSelectButton="True" DataKeyNames="TABLE_NAME"> <RowStyle BackColor="#F7F6F3" ForeColor="#333333" /> <Columns> <asp:BoundField HeaderText="TABLE_NAME" DataField="TABLE_NAME" /> </Columns> <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#999999" /> <AlternatingRowStyle BackColor="White" ForeColor="#284775" /> </asp:GridView> </td> <td valign="top"> <input id="uploadFile" type="file" size="26" runat="server" name="uploadFile" title="UploadFile" class="greybar" enableviewstate="True" /> </td> </tr> </table> <table> <tr> <td style="width:150px; height:50px"></td> <td valign="bottom" style="width:150px; height:50px"> <input id="btnOWrite" type="submit" value="Overwrite Data" runat="server" class="greybar" onserverclick="btnOWrite_Click" name="btnOWrite" />&nbsp; </td> <td style="width:100px"></td> <td valign="bottom" style="width:150px; height:50px"> <input id="btnAppend" type="submit" value="Append Data" runat="server" class="greybar" onserverclick="btnAppend_Click" name="btnAppend" /> </td> </tr> </table> </asp:Panel> <asp:Panel runat="Server" ID="AnonymousMessagePanel"> <asp:HyperLink runat="server" ID="lnkLogin" Text="Log In" NavigateUrl="~/Login.aspx"> </asp:HyperLink> </asp:Panel> </asp:Content> ASPX.CS file: using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Collections.Generic; using System.IO; using System.Drawing; using System.ComponentModel; using System.Data.SqlClient; using ADONET_namespace; using System.Security.Principal; //using System.Windows; public partial class _Default : System.Web.UI.Page //namespace AddFileToSQL { //protected System.Web.UI.HtmlControls.HtmlInputFile uploadFile; protected System.Web.UI.HtmlControls.HtmlInputButton btnOWrite; protected System.Web.UI.HtmlControls.HtmlInputButton btnAppend; protected System.Web.UI.WebControls.Label Label1; protected static string inputfile = ""; public static string targettable; public static string selection; // Number of controls added to view state protected int default_NumberOfControls { get { if (ViewState["default_NumberOfControls"] != null) { return (int)ViewState["default_NumberOfControls"]; } else { return 0; } } set { ViewState["default_NumberOfControls"] = value; } } protected void uploadFile_onclick(object sender, EventArgs e) { } protected void Load_GridData() { //GridView1.DataSource = ADONET_methods.DisplaySchemaTables(); //GridView1.DataBind(); } protected void btnOWrite_Click(object sender, EventArgs e) { if (uploadFile.PostedFile.ContentLength > 0) { feedbackLabel.Text = "You do not have sufficient access to overwrite table records."; } else { feedbackLabel.Text = "This file does not contain any data."; } } protected void btnAppend_Click(object sender, EventArgs e) { string fullpath = Page.Request.PhysicalApplicationPath; string path = uploadFile.PostedFile.FileName; if (File.Exists(path)) { // Create a file to write to. try { StreamReader sr = new StreamReader(path); string s = ""; while (sr.Peek() > 0) s = sr.ReadLine(); sr.Close(); } catch (IOException exc) { Console.WriteLine(exc.Message + "Cannot open file."); return; } } if (uploadFile.PostedFile.ContentLength > 0) { inputfile = System.IO.File.ReadAllText(path); Session["Message"] = inputfile; Response.Redirect("DataMatch.aspx"); } else { feedbackLabel.Text = "This file does not contain any data."; } } protected void Page_Load(object sender, EventArgs e) { if (Request.IsAuthenticated) { WelcomeBackMessage.Text = "Welcome back, " + User.Identity.Name + "!"; // Reference the CustomPrincipal / CustomIdentity CustomIdentity ident = User.Identity as CustomIdentity; if (ident != null) WelcomeBackMessage.Text += string.Format(" You are the {0} of {1}.", ident.Title, ident.CompanyName); AuthenticatedMessagePanel.Visible = true; AnonymousMessagePanel.Visible = false; if (!Page.IsPostBack) { Load_GridData(); } } else { AuthenticatedMessagePanel.Visible = false; AnonymousMessagePanel.Visible = true; } } protected void GridView1_SelectedIndexChanged(object sender, EventArgs e) { GridViewRow row = GridView1.SelectedRow; targettable = row.Cells[2].Text; } }

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• Remove registry key during uninstall

  - by zacharyrsnow

  Hello there. I have a simple C# application that allows users to specify that it should be (or should not be) started with Windows; it does so by setting (or deleting) a registry key (namely, ...\Software\Microsoft\CurrentVersion\Run\MyApplicationHere). I am using a VS setup project to create the installer for this program. I don't want the installer to create this key; it should only be created when the user selects the option from within the program. Here is the issue: I would like the uninstaller to delete this key if it exists, preferably without resorting to any sort of hackery; if there is a simple "built-in" solution I would love to hear it. Thanks!

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• How to call base abstract or interface from DAL into BLL?

  - by programmerist

  How can i access abstract class in BLL ? i shouldn't see GenAccessor in BLL it must be private class GenAccessor . i should access Save method over _AccessorForSQL. ok? MY BLL cs: public class AccessorForSQL: GenoTip.DAL._AccessorForSQL { public bool Save(string Name, string SurName, string Adress) { ListDictionary ld = new ListDictionary(); ld.Add("@Name", Name); ld.Add("@SurName", SurName); ld.Add("@Adress", Adress); return **base.Save("sp_InsertCustomers", ld, CommandType.StoredProcedure);** } } i can not access base.Save....???????? it is my DAL Layer: namespace GenoTip.DAL { public abstract class _AccessorForSQL { public abstract bool Save(string sp, ListDictionary ld, CommandType cmdType); public abstract bool Update(); public abstract bool Delete(); public abstract DataSet Select(); } private class GenAccessor : _AccessorForSQL { DataSet ds; DataTable dt; public override bool Save(string sp, ListDictionary ld, CommandType cmdType) { SqlConnection con = null; SqlCommand cmd = null; SqlDataReader dr = null; try { con = GetConnection(); cmd = new SqlCommand(sp, con); con.Open(); cmd.CommandType = cmdType; foreach (string ky in ld.Keys) { cmd.Parameters.AddWithValue(ky, ld[ky]); } dr = cmd.ExecuteReader(); ds = new DataSet(); dt = new DataTable(); ds.Tables.Add(dt); ds.Load(dr, LoadOption.OverwriteChanges, dt); } catch (Exception exp) { HttpContext.Current.Trace.Warn("Error in GetCustomerByID()", exp.Message, exp); } finally { if (dr != null) dr.Close(); if (con != null) con.Close(); } return (ds.Tables[0].Rows.Count 0) ? true : false; } public override bool Update() { return true; } public override bool Delete() { return true; } public override DataSet Select() { DataSet dst = new DataSet(); return dst; } private static SqlConnection GetConnection() { string connStr = WebConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; SqlConnection conn = new SqlConnection(connStr); return conn; }

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• Should BASIC continue to be recommended for non-programmers and beginners?

  - by Casey

  I just came across a new BASIC implementation for Google Android application called Simple. You can read about it here: http://google-opensource.blogspot.com/2009/07/programming-made-simple.html Clearly, a lot of time and effort has been recently put into enabling this functionality for Android. Should the software industry continue to encourage non-programmers into learning BASIC, or are modern languages like C#, Python, Ruby more appropriate at this time?

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• Change Name of Outputted DLL

  - by Changeling

  If my project name is ABC and the DLL currently outputs as ABC.DLL, how can I make my DLL be outputted as say CBA.DLL and so that when the .LIB is compiled linked against, it is not looking for ABC.DLL, but CBA.DLL. I tried changing the name under Linker General Output File but when I linked to the .lib in my other application, it was still looking for ABC.DLL and CBA.DLL.

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