public void CreateUpdateProduct_get(string id, string datajson, string type, string callback) { var dal = new ProductDAL(); var result = dal.CreateUpdateData(id, datajson, type); var userdata = JsonConvert.SerializeObject(result); if (string.IsNullOrEmpty(callback)) { Response.Write(userdata); } else { Response.Write(callback + "(" + userdata + ")"); } }