如何在CS中获得前台源中的值。大家指点下
<%@ Page Language= "C# " AutoEventWireup= "true " CodeFile= "RegisterPage.aspx.cs " Inherits= "RegisterPage " MasterPageFile = "~/MASTERPAGE/THEME1/RegisterPage.master "%>

<%@ Register Src= "UserControl/UserDate.ascx " TagName= "UserDate " TagPrefix= "uc2 " %>

<%@ Register Src= "USERCONTROL/WebUserControl.ascx " TagName= "WebUserControl " TagPrefix= "uc1 " %>
<asp:Content ID = "reg " ContentPlaceHolderID = "Registerpage " runat = "server " >

<script type = "text/javascript ">
function IsUsernameExist_callback(result)
{
var msg = document.getElementById( " <%#Message.ClientID%> ");
var bun = document.getElementById( " <%#OK.ClientID%> ");
var value = result.value;
if( value == '1 ' )
{
msg.innerHTML = '用户名未被注册! ';
msg.style.color= 'green ';
bun.disabled=false;
return true;
}
else
{
msg.innerHTML = '用户名已被注册! ';
msg.style.color= 'red ';
bun.disabled=true;
return false;
}

}
function VerifyUserName(name)
{
RegisterPage.GetReturnCode(name, IsUsernameExist_callback);
}
</script>

<script type = "text/javascript ">
function CHECKED(obj)
{
if(obj== '1 ')
{document.getElementById( 'd1 ').style.display= " ";
document.getElementById( 'd3 ').style.display= " ";
document.getElementById( 'd6 ').style.display= " ";
document.getElementById( 'd7 ').style.display= " ";
document.getElementById( 'd10 ').style.display= " ";
document.getElementById( 'd11 ').style.display= " ";
document.getElementById( 'd12 ').style.display= " ";
document.getElementById( 's1 ').style.display= " ";
document.getElementById( 'd2 ').style.display= "none ";
}
else
{
document.getElementById( 'd1 ').style.display= "none ";
document.getElementById( 'd6 ').style.display= "none ";
document.getElementById( 'd7 ').style.display= "none ";
document.getElementById( 'd2 ').style.display= " ";
document.getElementById( 'd3 ').style.display= " ";
document.getElementById( 'd10 ').style.display= " ";
document.getElementById( 'd11 ').style.display= " ";
document.getElementById( 'd12 ').style.display= " ";
// document.getElementById( 'd ').style.display= "none ";

// document.getElementById( 'd ').style.display= " ";
}
}
</script>

<script type = "text/javascript ">
function OnShow(object)
{
if(object== 'Show ')
{
document.getElementById( 'd5 ').style.display= " ";
}
else
{

}
}

</script>

<div id= "d0 ">
<table >
<%-- 选择注册类型--%>
<tr> <td class= "TdLeft "> <%# Global .GetString ( "RegType ") %> <asp:DropDownList ID= "ddlLan " AutoPostBack= "true " OnSelectedIndexChanged= "LanguageChanged " runat= "server "> <asp:ListItem Value= "cn.lan "/> <asp:ListItem Value= "en.lan "/> </asp:DropDownList> </td> <td class = "TdRight "> <input type= "radio " name= "radioname " value= "1 " onclick = "CHECKED(this.value) "/> <%#Global.GetString( "Business ")%> <input type= "radio " name= "radioname " value= "2 " onclick = "CHECKED(this.value) "/> <%#Global.GetString( "Personal ")%> </td> </tr>
</table>
</div>


现在我就是想 根据把俩个radio选择的值传到CS中去。请大家帮忙指点下！

[解决办法]
this.radio.SelectedValue不行吗？