In this post,I will show you how to enable/disable dropdownlist control through checkbox selection in asp.net.
{Click here for live demo}
- Create a new website
- Right click on the website,add a new webpage,and add following code into it
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %> <!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></title> <script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function () { $("#chkEnable").click(function () { if (this.checked) $('#ddlList').attr('disabled', 'disabled'); else $('#ddlList').removeAttr('disabled'); }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <asp:CheckBox ID="chkEnable" runat="server" Text="Enable/Disable" /><br /> <asp:DropDownList ID="ddlList" runat="server"> <asp:ListItem Text="Select" Value="-1"> </asp:ListItem> <asp:ListItem Text="Option1" Value="1" /> <asp:ListItem Text="Option2" Value="2" /> <asp:ListItem Text="Option3" Value="3" /> </asp:DropDownList> </div> </form> </body> </html>
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