RadioButtonList的选择确认

RadioButtonList的选择确认~！

不说废话，看代码~！

 

         protected   void  Page_Load( object  sender, EventArgs e)
        {
             this .RadioButtonList1.Items[ 1 ].Attributes.Add( " onclick " ,  " if(!confirm('您真的要点我吗?')){document.getElementById(' "   +   this .RadioButtonList1.ClientID +   " _0').checked=true;event.returnValue=false;} " );

        }

 

Default.aspx

<% @ Page Language = " C# "  AutoEventWireup = " true "  CodeBehind = " Default.aspx.cs "  Inherits = " WebApplication5._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 > 无标题页 </ title >

</ head >

< body >
     < form  id ="form1"  runat ="server" >
     < div >
         < asp:RadioButtonList  ID ="RadioButtonList1"  runat ="server" >
             < asp:ListItem  Selected ="True" > 1 </ asp:ListItem >
             < asp:ListItem > 2 </ asp:ListItem >
         </ asp:RadioButtonList >
     </ div >
     </ form >
</ body >
</ html >