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Session["userid"]=Request.QueryString ["userid"];
SqlParameter userid = new SqlParameter("@userid",SqlDbType.Int);
userid.Direction = ParameterDirection.Input;
userid.Value = int.Parse(Session["userid"].ToString());
//userid.Value = Session["userid"].ToString();
cmd.Parameters.Add(userid);
/* ----------------------------------------------------------- */
int uid = 0;
if(Request.QueryString ["userid"] != null)
{
uid = Convert.ToInt32(Request.QueryString ["userid"]);
Session["userid"] = uid;
}
SqlParameter userid = new SqlParameter("@userid",SqlDbType.Int);
userid.Direction = ParameterDirection.Input;
userid.Value = uid;
cmd.Parameters.Add(userid);
//还要再优化和整理,LZ可再看相关资料