private void BindMCategory() { List <Model.memberType> listmt = null; if (Request.QueryString["id"] != null) { int id = Convert.ToInt32(Request.QueryString["id"]); listmt = bllmt.GetModelList("MtID!=" + id); } else { listmt = bllmt.GetModelList(""); } MCategory.DataSource = listmt; MCategory.DataTextField = "TypeName"; MCategory.DataValueField = "MtID"; MCategory.DataBind(); MCategory.Items.Insert(0, new ListItem("", "0")); }