public void GetMaterialType() { try { string CabinetIDs = Request["CabinetIDs"]; Database db = new Database("BE_OrderDetail_Proc", "GETMETERIALS", 0, 0, "", "", CabinetIDs); DataTable dt = db.ExecuteDataTable(); Response.Write(JSONHelper.DataTableToJSON(dt)); } catch (Exception ex) { WriteError(ex.Message, ex); } }