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Mutually Exclusive Check Box Extender in Asp.net : Tutorial

Posted By:Nikhil Kumar       Posted Date: January 20, 2010    Points: 25    Category: ASP.NET    URL: http://www.dotnetspark.com  

In this Tutorial, I will show you step by step procedure, how to use a Mutually Exclusive Check Box Extender In ASP.NET using Visual Studio 2005 or Visual Studio 2008.The use of Mutually Exclusive Check Box Extender it that you can select only one check box under a heading.
 

Mutually Exclusive Check Box Extender

In this article, I will show you step by step procedure, how to use a Mutually Exclusive Check Box Extender
 In ASP.NET using Visual Studio 2005 or Visual Studio 2008.

The use of Mutually Exclusive Check Box Extender it that you can select only one check box under a heading.

To follow this code sample, you must use Visual Studio 2005 or Visual Studio 2008.

I have used to comment HTML part of the code.

Note:
Mutually Exclusive Check Box Extender is a part of AjaxControlToolkit.

To attach right click on the toolbox under Ajax Extensions and select Choose Items - > Browse Button - > select the AjaxControlToolkit.dll. If you are using Visual Studio 2008, you may not need AJAX Toolkit but if you are using Visual Studio 2005, you will need to download it from
http://www.msdn.com/ or http://www.asp.net/.

Step 1. Start -> All Programs -> Visual Studio 2005 or Visual Studio 2008

Step 2. Now go to File Menu -> New -> Web Site

Step 3. 

Under Visual Studio Installed Template-> Choose ASP.NET WEB SITE -> Choose File System from the location combo box -> Set the path by the browse button - > Choose the language from the Language ComboBox (Visual C# ,Visual Basic , J #)

Choose Visual C#

Step 4. Click on the OK Button.

This is the source code window and in this page you will se this code.
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
 

 


Type your webpage title here  




See here is a tab named Design in the bottom of this page.
 
Step 5. Click on this tab and you will see a blank Web Page where you can drag any control from the toolbox (which is in the left side of this window).

Step 6. Now drag some controls under the AJAX Extensions.

First control you are going to drag and drop on the page is - Script Manager.

first add a tag on the top of your source code window:

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
Under the form tag,
Don't be frustrate on seeing this code please read carefully it's very simple.
Choices...









Step 7. Now run your web site by Ctrl + F5

OUT PUT
Step 8. When you run the Mutually Exclusive Check Box Extender will seem like this...
MutuallyExclusiveTextBoxExtender.JPG


Now when you check a check box under the Movies heading then you can't select the other check box means you can select only one check one under one heading.

Ex.__ if I select Hollywood then I can't check Bollywood.

Step 9. Close Browser


Step 10. Close Visual Studio.
 

Thanks!



--Nikhil Kumar


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