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” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title>Type your
webpage title here</title> <!– Here you can specify your page title in between title tag ->
</head>
<body>
<form id=”form1? runat=”server”>
<div>
<!– In between
div tags you can manage your web controls like buttons, labels, picture Box, ImageMap etc
–>
</div>
</form>
</body>
</html>
|
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.
|
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Panel ID="Panel1" runat="server" BackColor="LightSeaGreen">
<div><center>Choices...</center></div>
<asp:Label ID="label1" runat="server" Text="Movies" Font-Bold="true"/><br
/>
<br />
<asp:CheckBox ID ="CheckBox1" runat="server" Text="Hollywood"
/><br
/>
<asp:CheckBox ID ="CheckBox2" runat="server" Text="bollywood" />
<br />
<br />
<asp:Label ID="label2" runat="server" Text="Food" Font-Bold="true" />
<br />
<br />
<asp:CheckBox ID ="CheckBox3" runat="server" Text="Indian" />
<br />
<asp:CheckBox ID ="CheckBox4" runat="server" Text="South-Indian" />
</asp:Panel>
<c1:DropShadowExtender ID="DropShadowExtender1" runat="server"
Opacity="0.1"
Radius="10"
Rounded="true"
TargetControlID="Panel1"
TrackPosition="true"
Width="15">
</c1:DropShadowExtender>
<c1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender1"
runat="server"
TargetControlID="CheckBox1"
Key="Movie">
</c1:MutuallyExclusiveCheckBoxExtender>
<c1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender2"
runat="server"
TargetControlID="CheckBox2"
Key="Movie">
</c1:MutuallyExclusiveCheckBoxExtender>
<c1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender3"
runat="server"
TargetControlID="CheckBox3"
Key="Food">
</c1:MutuallyExclusiveCheckBoxExtender>
<c1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender4"
runat="server"
TargetControlID="CheckBox4"
Key="Food">
</c1:MutuallyExclusiveCheckBoxExtender>
</div>
|
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