i m using javascript instead of Select_Changed_Index of dropdownlist...
my code is
<script language ="javascript " type ="text/javascript" >
function OnSelectedIndexChange()
{
document.form1.ddlMagazinClss.visible= true;
}
</script>
<asp:DropDownList ID="ddl_screen_name" runat="server" Width="126px" AutoPostBack="True" OnSelectedIndexChanged="OnSelectedIndexChange" >
<asp:ListItem Value="????"></asp:ListItem>
<asp:ListItem Value="Magazine"></asp:ListItem>
<asp:ListItem Value="Community"></asp:ListItem>
<asp:ListItem Value="Fashion"></asp:ListItem>
<asp:ListItem Value="Main_Detail"></asp:ListItem>
<asp:ListItem Value="Fashion_Mag ...
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