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  • ASP.NET, XSLT, extracting values from a CDATA section

    - by H4mm3rHead
    Hi,i have a small problem i have xome xml with a cdata section. This CDATA section contains fragments of HTMl. I would like to extract some of the data inside this CDATA element. Right now i have a XSLT transformation that outputs the rest of the document as HTMl, but i need only a small part of the CDATA HTML, not the entire part - e.g. a my Title tag. How to do this?

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  • breakthrough programming .net era

    - by Andrew Florko
    I wonder what are .net technologies / c# language improvements you consider as breakthrough in .net era for the last 5-10 years. I mean technologies that shifted developers mind. For example direct-x made assembler nearly abandoned for game programming in the end of XX century and JQuery extremely simplified ajax web development as well as javascript code reusability. What kind of breakthrough .net technologies you expect in the future and what modern .net technologies are just a light evolution of well known approaches. Do you consider .net 4.0 parallel extensions and other improvements as breakthrough, or may be we have reached the point when nothing radical is expected in modern programming?

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  • ASP.NET - working with GridView Programmatically

    - by JMSA
    I am continuing from this post. After much Googling, I have come up with this code to edit cells programmatically: 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 Ice_Web_Portal.BO; namespace GridView___Test { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { GridView1.DataSource = Course.GetCourses(); GridView1.DataBind(); } protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridViewRow row = GridView1.Rows[e.NewEditIndex]; GridView1.EditIndex = e.NewEditIndex; GridView1.DataSource = Course.GetCourses(); GridView1.DataBind(); } protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { TextBox txtID = (TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[0]; TextBox txtCourseCode = (TextBox)GridView1.Rows[e.RowIndex].Cells[2].Controls[0]; TextBox txtCourseName = (TextBox)GridView1.Rows[e.RowIndex].Cells[3].Controls[0]; TextBox txtCourseTextBookCode = (TextBox)GridView1.Rows[e.RowIndex].Cells[4].Controls[0]; Course item = new Course(); item.ID = Convert.ToInt32(txtID.Text); item.CourseCode = txtCourseCode.Text; item.CourseName = txtCourseName.Text; item.TextBookCode = txtCourseTextBookCode.Text; bool success = Course.Update(item); labMessage.Text = success.ToString(); GridView1.EditIndex = -1; GridView1.DataSource = Course.GetCourses(); GridView1.DataBind(); } } } But 2 problems are happening. (1) I need to press command buttons twice to Edit/Update. (2) Changes in the cell values are not updated in the database. I.e. edited cell values are not committing. Can anyone give me a solution?

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  • Problem with ASP.NET Authentication

    - by Niels Bosma
    I'm having problem with our login procedure. Some customers complain that they can't login. I can see in our logs that their login is successful and that they are redirected from the login page to the member area. But there somehow the login isn't detected and they are bounced back to the login page. I've asked customers to check if cookies are supported (http://www.html-kit.com/tools/cookietester/) but problem remains even if this test returns true. This is how I've implemented the login procedure (simplyfied): protected void Login(string email, string password) { FormsAuthentication.SignOut(); Guid clientId = /* Validate login by checking email and password, if fails display error otherwise get client id */ FormsAuthentication.SetAuthCookie(clientId.ToString(), true); HttpContext.Current.Response.Redirect("~/Members.aspx"); } On the member page I check for authentication by in Page_Load function: public static void IsAuthenticated() { if (!HttpContext.Current.User.Identity.IsAuthenticated) { HttpContext.Current.Response.Redirect("~/Login.aspx", true); } } Maybe I'm using FormsAuthentication completely wrong? I've asked this before but still haven't been able to figure this out, I'd appreciate any help.

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  • SharePoint 2010 / ASP.Net Integration - Looking for advice

    - by jpennal
    I have been Googling a problem that I have with trying to integrate the web application that I am working on with SharePoint 2010. The web application is a wiki style tool that allows users to log in via forms authentication or WIA against Active Directory and create content for themselves and others. What we would like to do is to allow a user have a page with the content they have created in our web application mixed in with content that they have living on the SharePoint server. For example, they may want to see a list of documents that they have on the SharePoint server mixed in with some of their content. To accomplish this, we would like to take the credentials the user has logged into our web application with (for example MYDOMAIN\jsmith) and be able to query SharePoint for the documents of that same user (MYDOMAIN\jsmith) WITHOUT the user being prompted to re-enter their credentials to access the SharePoint server (we are trying to avoid the double-hop problem) We have come up with some options for how we want to do this, but we are unsure of what the best approach is. For example, we could - Have a global user, shared by all users to get information we need from SharePoint. The downside is that we cannot filter SharePoint content to a particular user - We could store the users credentials when they log in, but that would only work for users authenticating via forms auth and would be a security issue that some users/clients would not like - Writing a SharePoint extension using WCF to allow us to access the information we need, however we'd still have the issue of figuring out how to impersonate the user we want. Neither of these options are ideal and in our investigation we came across the Claims Authentication/STS option which seems like it is trying to solve the problem we are having. So my question is, based on what I have written, is Claims/STS the best approach for us? We have not been able to find much direction on how to use this method to call into SharePoint from a Web Application and pass along the existing credentials. Does anyone have any experience with any of these issues?

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  • What does this error states in asp.net-mvc?

    - by Pandiya Chendur
    I have repository class in asp.net mvc which has this, public Material GetMaterial(int id) { return db.Materials.SingleOrDefault(m => m.Mat_id == id); } And my controller has this for details action result, ConstructionRepository consRepository = new ConstructionRepository(); public ActionResult Details(int id) { Material material = consRepository.GetMaterial(id); return View(); } But why i get this error, The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Details(Int32)' in 'CrMVC.Controllers.MaterialsController'. To make a parameter optional its type should be either a reference type or a Nullable type. Parameter name: parameters Any suggestion...

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  • ASP.net displaying data from SQL data source

    - by c11ada
    hey all, im using linq2SQL to grab information from my SQL database, i have a gridview which shows all the top level information, in this case a list of groups (i.e admin, users and so on) when a user clicks say the admin group, i want to be able to show each member in that group, i have the following code which grabs the information from the database, DataClassesDataContext dc = new DataClassesDataContext(); GridViewRow row = GridView1.SelectedRow; var query1 = from p in dc.Users where p.groups.GroupID == Int32.Parse(row.Cells[1].Text) select new { p.Name, p.Address, p.Contact Number, p.Bio, }; i no i can use gridview again to display the results of the query, but this doesnt really look nice as it shows too much information at one, how would i go about having some sort of display which will show just one user at a time giving me the chance to click next and back ? thanks

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  • Error in asp.net c# code (mysql database connection)

    - by Ishan
    My code is to update a record if it already exists in database else insert as a new record. My code is as follows: protected void Button3_Click(object sender, EventArgs e) { OdbcConnection MyConnection = new OdbcConnection("Driver={MySQL ODBC 3.51 Driver};Server=localhost;Database=testcase;User=root;Password=root;Option=3;"); MyConnection.Open(); String MyString = "select fil_no,orderdate from temp_save where fil_no=? and orderdate=?"; OdbcCommand MyCmd = new OdbcCommand(MyString, MyConnection); MyCmd.Parameters.AddWithValue("", HiddenField4.Value); MyCmd.Parameters.AddWithValue("", TextBox3.Text); using (OdbcDataReader MyReader4 = MyCmd.ExecuteReader()) { //** if (MyReader4.Read()) { String MyString1 = "UPDATE temp_save SET order=? where fil_no=? AND orderdate=?"; OdbcCommand MyCmd1 = new OdbcCommand(MyString1, MyConnection); MyCmd1.Parameters.AddWithValue("", Editor1.Content.ToString()); MyCmd1.Parameters.AddWithValue("", HiddenField1.Value); MyCmd1.Parameters.AddWithValue("", TextBox3.Text); MyCmd1.ExecuteNonQuery(); } else { // set the SQL string String strSQL = "INSERT INTO temp_save (fil_no,order,orderdate) " + "VALUES (?,?,?)"; // Create the Command and set its properties OdbcCommand objCmd = new OdbcCommand(strSQL, MyConnection); objCmd.Parameters.AddWithValue("", HiddenField4.Value); objCmd.Parameters.AddWithValue("", Editor1.Content.ToString()); objCmd.Parameters.AddWithValue("", TextBox3.Text); // execute the command objCmd.ExecuteNonQuery(); } } } I am getting the error as: ERROR [42000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.51-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order,orderdate) VALUES ('04050040272009','&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&' at line 1 The datatype for fields in table temp_save are: fil_no-->INT(15)( to store a 15 digit number) order-->LONGTEXT(to store contents from HTMLEditor(ajax control)) orderdate-->DATE(to store date) Please help me to resolve my error.

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  • The speed of .NET in numerical computing

    - by Yin Zhu
    In my experience, .net is 2 to 3 times slower than native code. (I implemented L-BFGS for multivariate optimization). I have traced the ads on stackoverflow to http://www.centerspace.net/products/ the speed is really amazing, the speed is close to native code. How can they do that? They said that: Q. Is NMath "pure" .NET? A. The answer depends somewhat on your definition of "pure .NET". NMath is written in C#, plus a small Managed C++ layer. For better performance of basic linear algebra operations, however, NMath does rely on the native Intel Math Kernel Library (included with NMath). But there are no COM components, no DLLs--just .NET assemblies. Also, all memory allocated in the Managed C++ layer and used by native code is allocated from the managed heap. Can someone explain more to me? Thanks!

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  • getting the list of all functions executed like call stack in asp.net

    - by sridhar
    Hi, I am having trouble with debugging one of the problems that I am having in our website. This is the problem. I have a webpage that contains the photo of an employee and information related to the employee. When the user logins to our website, we are storing the details of the employee in session. I am setting the image url for the photo of an employee as follows. imgEEPhoto.ImageUrl = imgPhoto.aspx?Company=XXXX&Empno=YYYY. Inside the page imgPhoto.aspx, I am checking if the session is alive for that user. when I login to the page that has the employee photo sometimes the photo is not displayed. It is because I am checking whether the session is alive inside the imgPhoto.aspx page. sometimes the session is alive and sometimes the session is not alive. It looks like there is some function that is setting the session to null asynchronously. I am not knowing how to track that function. so I am thinking that inside the imgPhoto.aspx page, if I can get the list of all functions that have been executed so far, I could track the function that is resetting the session. Is there a way to find this? If there is no another way to debug this problem, please let me know. Thanks, sridhar.

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  • .net/iis6 Limitations of the urlMappings in web.config for extensionless url rewriting

    - by ScottE
    I'm investigating a simple url rewriting setup for iis6 / net 2.0 sites. I've added a . wildcard mapping in IIS that points to the .net executable. I'm also using the urlMappings element in the web.config to add some rewritting urls. I've moved the config outside of the web.config so I can make changes to the list without forcing application restarts, like so: <urlMappings configSource="config\urlMappings.config"> </urlMappings> I'd like to allow our content management to add urls to this file so that we can have extensionless friendly urls. <add url="~/someurl" mappedUrl="index.aspx?page=123" /> This works just fine, but I'm concerned about limitations in the number of entries that I can map in the urlMappings config. I can't seem to find any documentation on this. Has anyone found any limitations? Thanks.

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  • Help with ASP.NET 4.0 routing and subfolders

    - by pixel3cs
    If I use routing with 2 query parameters, like this: System.Web.Routing.RouteTable.Routes.MapPageRoute("HomeRoute", "home/{f1}/{f2}", "~/Home.aspx"); My image does not appear on my Home.aspx page: <img src="~/img/img.jpg" /> or <img src="img/img.jpg" /> But it does appear when I access the http://localhost:3760/Website/Home.aspx URL I tried using Routing.Ignore with no luck. I look for a solution wich should work for an unlimited number of subfolders: "home/{f1}/{f2}/.../{fn}"

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  • ASP.NET Gridview Checkbox value to DataTable

    - by Mark
    Hey all, First off, im using a checkbox to highlight a true or false value from a dataset which I want to be able to change it. Unfortunately databinding the DataTable to the GridView checkboxes doesnt work (as you probably know) as it requires it to be in "edit" mode. The way I've gotten round this is having the checkbox reading the data table value seperately rather than being databound and locked: Checked='<%# Convert.ToBoolean(Eval("myValue")) %>' So that solves checkbox values from DataTable - GridView, now I need to do the opposite having the changed checkbox values go from GridView - DataTable as it is not ready to submit it to my data source (SQL) just yet. I figure I need to run a loop through the GridView rows, thats a give'un, what I can't figure out is how to replace/update just a single value in a row of a DataTable , only the ability to add or remove an entire row by the looks of things (something I don't want to do). So can anyone offer a workaround? Or is there a way to have a databound but always editable checkbox in a gridview?

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  • i had problem in adding the additional content in my pdf...using asp.net c#

    - by Ayyappan.Anbalagan
    I am converting my data set into a pdf document.My data set contains the product bill details.So,at the top of the pdf i need to added some more content like "my company name & address customer name, date of bill,bill no" Below code i am using to convert into pdf. public static void Exportdata(DataTable dataTable, HttpResponse Response, int val) { //String filename = String.Concat(name, "-", DateTime.Today.Day.ToString(), "/", DateTime.Today.Month.ToString(), "/", DateTime.Today.Year.ToString(), ".pdf"); Document pdfDoc = new Document(PageSize.A4, 30, 30, 40, 25); System.IO.MemoryStream mStream = new System.IO.MemoryStream(); PdfWriter writer = PdfWriter.GetInstance(pdfDoc, mStream); //int cols = 0; //int rows = 0; int cols = dataTable.Columns.Count; int rows = dataTable.Rows.Count; pdfDoc.Open(); iTextSharp.text.Table pdfTable = new iTextSharp.text.Table(cols, rows); pdfTable.BorderWidth = 1; pdfTable.Width = 100; pdfTable.Padding = 1; pdfTable.Spacing = 1; //creating table headers for (int i = 0; i < cols; i++) { Cell cellCols = new Cell(); Font ColFont = FontFactory.GetFont(FontFactory.HELVETICA, 8, Font.BOLD); Chunk chunkCols = new Chunk(dataTable.Columns[i].ColumnName, ColFont); cellCols.Add(chunkCols); pdfTable.AddCell(cellCols); } //creating table data (actual result) for (int k = 0; k < rows; k++) { for (int j = 0; j < cols; j++) { Cell cellRows = new Cell(); Font RowFont = FontFactory.GetFont(FontFactory.HELVETICA, 6); Chunk chunkRows = new Chunk(dataTable.Rows[k][j].ToString(), RowFont); cellRows.Add(chunkRows); pdfTable.AddCell(cellRows); } } pdfDoc.Add(pdfTable); pdfDoc.Close(); Response.ContentType = "application/octet-stream"; if (val == 1) { Response.AddHeader("Content-Disposition", "attachment; filename=Users.pdf"); } else if (val == 2) { Response.AddHeader("Content-Disposition", "attachment; filename=Customers.pdf"); } else if (val == 3) { Response.AddHeader("Content-Disposition", "attachment; filename=Materials.pdf"); } else { Response.AddHeader("Content-Disposition", "attachment; filename=Reports.pdf"); } Response.Clear(); Response.BinaryWrite(mStream.ToArray()); //Response.Write(mStream.ToString()); HttpContext.Current.ApplicationInstance.CompleteRequest(); Response.End(); }

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  • ASP.Net check value with DBNULL

    - by c11ada
    hey all, i have the following code foreach (DataRowView dr in Data) { if (dr == System.DBNull.Value) { nedID = 1; } } but i get the following error Operator '==' cannot be applied to operands of type 'System.Data.DataRowView' and 'System.DBNull' please can some one advice me on how i can check if the value is null or DBNULL

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  • ASP.NET EnqityDataSource WhereParameters, creates new property.

    - by Alex
    I am trying to populate GridView, using EntityDataSource(code behind), I need to able to sort GridView. However when I sort i get error: A property with name 'aspnet_Users.UserId1' does not exist in metadata for entity type So I beleive it is because I generate where parameter in code behind: ActiveEnqDataSource.WhereParameters.Add(new SessionParameter("aspnet_Users.UserId", TypeCode.Object, "UserName")); Full code is : ActiveEnqDataSource.ConnectionString = db.Connection.ConnectionString; ActiveEnqDataSource.DefaultContainerName = "Entities"; ActiveEnqDataSource.EntitySetName = "Enquiries"; ActiveEnqDataSource.Include = "UserCars.CarModel.CarMake, Category, aspnet_Users"; ActiveEnqDataSource.EnableUpdate = true; ActiveEnqDataSource.EnableInsert = true; ActiveEnqDataSource.EnableDelete = true; ActiveEnqDataSource.AutoGenerateWhereClause = true; ActiveEnqDataSource.WhereParameters.Add(new SessionParameter("aspnet_Users.UserId", TypeCode.Object, "UserName")); Any suggestions? Thank you very much! The gridview itself renders perfectly, only thing I cannot sort it, any "whereParameters" I add, Add 1 to the property e.g UserId1,EnquiryStatus1, ProdauctName1. etc...

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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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  • problems with a jquery plugin

    - by CoffeeCode
    I'm using AJAX_POSTUP. When i make a request it sends a file to a bowser [offers to download] (the files content are params of the action methods). Does anyone know whats going on and how i can avoid this problem??? i'm not aware of other plugins such as AJAX_POSTUP

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  • Stack calling convention between .NET & C on WinCE 6.0

    - by bernard
    Hi there. I'm porting a DLL written in C from WinCE 5.0 to WinCE 6.0 on an ARM target. This DLL is called by a .NET software. On WinCE5.0, everything runs fine. On WinCE6, I have the following problem: on InitInstance() of my DLL, I can call anything without problem (for example MessageBox()) or uses recursivity. Passed that point, the DLL is called by .NET code. And then it fails: even the arguments passed by .NET code seem weird. I can call MessageBox() once, but I can't call a function that calls MessageBox() and then that calls itself: recursivity is broken. It seems that the .NET code uses the stack in a different way than my C code. I'm very unfamillar with the Windows world and the company that gives me the .NET application does not understand yet why there is such a failure. Any pointer/hint/advice welcome! Thanks!

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  • Troubleshooting ASP .NET Application on Shared Hosting

    - by James
    Hi, My company has a CRM site hosted externally on a shared server and recently it has been very problematic. Users are being logged out randomly, sometimes only seconds after logging in. We are also getting viewstate validation errors at times. Both problems seem to occur more often when there are two or more people logged in at the same time, but I can't really see any particular pattern. I am using log4net to track the application state and from what I can tell it seems that the application is frequently restarting, causing all sorts of issues. I can see log messages from the Application_Start event handler but there is not always a corresponding message from the Application_End event handler. There is also logging code in the Application_Error event handler but it is not catching anything at the time of the restart. These errors started to occur soon after we moved our site to this shared server, although I don't remember it being this bad at first. Any advice on how to track down these problems would be appreciated. The server is running Windows Server 2003 and IIS 6.0. Sadly I don't have access to the server other than through Parallels Plesk and it doesn't seem to have any useful diagnostic information.

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  • Unable to send email using 3rd party server ( IIS 7, Windows Server 2008, ASP.NET )

    - by Reed
    Hello All, I am using IIS 7 on Server 2008. I just tried migrating my app from an older platform - everything works fine, except the email feature. This is my config: < mailSettings > < smtp from="[email protected]" deliveryMethod="Network" > < network host="mail.xyz.com" port="25" userName="[email protected]" password="123" /> < / smtp > < /mailSettings > Whenever I need to send an email I use: SmtpClient smtp = new SmtpClient(); smtp.Send(email); The funny thing is I get absolutely no errors, however the email is never sent. The outbound firewall ruleset allows SMTP traffic. Any idea what I did wrong?

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  • retain drop down value page posting back to itself asp.net

    - by d3020
    I have an aspx page that has... if (!IsPostBack) { PopulateBrand(); in the Page_Load. This PopulateBrand() simply populates my drop down. That works great and on post back it retains the value. The problem I'm having is that there is also a link on the page that is posting back some parameters to this page. What is happening is that when this is clicked it's falling through this !IsPostBack section and wiping out my drop down values that I had selected and repopulating it. How can I prevent this and just retain what I selected when this page is posting back to itself when the link is clicked? Thanks.

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