private void BindArea() { var vUser = (NF.Framework.CurrentUser)HttpContext.Current.Session["CurrentUser"]; var cust = vUser.CustFile; DataTable dt = tmo_order.GetCustRollArea(cust.C_NAME).Tables[0]; if (dt.Rows.Count > 0) { dropArea.DataSource = dt; dropArea.DataTextField = "C_SALE_AREA"; dropArea.DataValueField = "C_SALE_AREA"; dropArea.DataBind(); dropArea.Items.Insert(0, new ListItem("全部区域", "")); } else { dropArea.DataSource = null; dropArea.DataBind(); } }