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Converter on HeaderTemplate calling for each item

Posted By:      Posted Date: October 05, 2010    Points: 0   Category :WPF


I have implemented grouping on a list box, where I need to show a summary row for each group. For summary row, I called a converter to give count variables to show. Code is working fine with a issue. Converter is calling for each item instead of one time for each group.

Is there any way to call the converter only once for each group.

Jitendra Biyani

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For coverting your programming langugae to another languge the below site is very help full


Missing 'new item templates'


 Hi all,

          I am a 'newbie' to VWD and I am slowly working through the Basic Walkthrough Help files, and learning plenty along the way.

However, when I tried to create a new database in the LINQ control walkthrough I found that the option to create a new database is missing, and further investigation has found that many other new item templates are missing.

I am using a brand new machine with Windows 7 Ultimate and have enabled IIS and .NET from Control Panel-Programs-Turn Windows Features On-Off. I used the WPI to install all basic elements eg. IIS Components, SQL Server Express.

The only 'new item templates' I have when I right-click the App_Data Folder and choose 'new item' are:-

ADO.NET Data Service

AJAX Enabled WCF Service

Dynamic Data Field

SQL Server Database

Text File

XML File

Does anyone know where I have gone wrong.


Michael J. Hill

removing item from datatable


hi to all ..thanks in advance


I have Two datatables dtA,dtB ,both contains column name is "FiledName" I need to remove item

from dtA when same row data exists in dtB.  please tell me how to do it

dtA    dtB   

 A        A

 B        F

 C        C

 D        Z

I want o/p like this







LINQ to SQL - Validating if item is in Database, but if item is not items not inserting into databas



I am new to this, so bear with me.  I am writing an application in C# that uses LINQ to validate a datacontext off a textbox to see if the record exists already.  If the record does exist I inserted an if statement to advise the user that the record exists, if the record does not exist I would like to allow the record to be added to the database.  If I take out my else statement everything works fine as far as inserting goes, but I do not want to allow inserts in this scenario.  I have tried moving the if and else statement to different parts of the code but can't quite figure this one out.  Any help would be apprecaited, attached is the code.  This code is set to a button press.  As a matter of fact, if you see any other errors along the way please feel free to point them out. 



    protected void enterBTN_Click(object sender, EventArgs e)
        //make new data context

        SHCDataContext insNewAll = new SHCDataContext();
        //LINQ to check if customer exists in database
        var checkExisting = from c in insNewAll.Customers
                            where c.custLastName.Contains(custLastNameTB.Text.ToString())
                            select c.custLastName;
        //make list to store values

Calling webservice from the server


I have a sample web service and aspx file. I deployed them to an existing website that contains classic asp files.

web-service: --- using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; [WebService(Namespace = "http://localhost/MyWebServices/")] public class MembershipRegisWebService : System.Web.Services.WebService { public MembershipRegisWebService () { //Uncomment the following line if using designed components //InitializeComponent(); } [WebMethod] public string HelloWorld() { return "Hello World."; } }

aspx.cs file: --- using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Services; public partial class CallWebService : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { MembershipRegisWebService mrWs = new MembershipRegisWebService(); Response.Write("Calling web service:" + mrWs.HelloWorld()); } }

It runs locally, but it shows an error when running it from the server:

Server Error in '/' Application. Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the follow

How to keep the hover for Parent menu and set the selected menu item css for child menu item?



I'm using cssfriendly control adapter for menu. My asp.net menu control's datasource is a sitemap file I'm using which contains all the urls.

I have the following questions:

  1. Is there a way to keep the parent menu item hovered while hovering over the respective child menu items?
  2. Is there a way to keep the child menu item selected? I am able to set the css for the parent menu, however I was wondering if the same is possible with the child items.

Please help! Smile


Moneka Smile

Team System: Work Item Tracking


In this column, Brian Randell explains how to build a simple Work Item explorer and demonstrates the core operations needed to add work item support when building your own add-in.

Brian A. Randell

MSDN Magazine April 2007

Visual Studio 2005: Create Reusable Project And Item Templates For Your Development Team


Visual Studio 2005 introduces a new model that lets you define your own project templates and starter kits, something developers have been requesting for some time. Here Matt Milner shows you how to consume, create, and customize these templates.

Matt Milner

MSDN Magazine January 2006

Advanced Basics: Calling All Operators


This month I found an interesting question in my mailbag. It went something like this: "I am writing some code working with points and other drawing objects in Visual Basic® 2003, and I just want to add an offset to a point, effectively moving the point.

Ken Getz

MSDN Magazine December 2004

way of calling "javascript function of parent window from child window."

The article way of calling "javascript function of parent window from child window." was added by raja.s on Sunday, June 06, 2010.

Hi,Here i am going to explain how to call the javascript function of a parent window from the child window(pop-Up).Some may know before reading this post.Parent Java Script Function:script language="Javascript" type="text/javascript">

ASP.NET 4.0 Menu Top Level selected item style


I want to apply a css class to the level 1 menu item (parent) when it or any or it's children are selected.

I've looked at MSDN documentation and any number of examples and walkthroughs but I haven't come up with a way of managing this. I was thinking something like this might work but the style is not being applied to the parent. To further complicate matters, if I try to apply a css style to StaticSelectedStyle it doesn't pick it up at all.

Menu Markup:

<StaticSelectedStyle  Font-Bold="True" ForeColor="#3333CC" />

Code Behind:

        protected void MenuItemClick_NavMenu(Object sender, MenuEventArgs e)


            MenuItem parentItem = e.Item.Parent;

            if (parentItem != null)


                parentItem.Selected = true;



problem...i want a list item to populate all data in gridview!!!


i have a dropdownbox and a gridview

what I want is to have a list item which populates all data in a gridview.

I have tried using list item selected value=0 but to no avail.

what is the easiest way to achieve this?

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