I have some problem with querystring
It works well when i put the querystring in aspx page
but it give me some problem when i try to put it in code behind file .aspx.cs
cmdWBTS = New SqlCommand( strQuery, con3G );
cmdWBTS.Parameters.Add( New SqlParameter
("@SiteCode",Request.QueryString("WSiteCode"))) ;
can anyone help me to deal with this problem?