public static string AddProductCK(int PID, string CK_Title, string Description) { try { PAWDStoreEntities context = new PAWDStoreEntities(); var status = context.ProductCKInsert(PID, CK_Title, Description, DateTime.Now, null).SingleOrDefault(); return(JsonConvert.SerializeObject(status)); } catch (Exception ex) { throw ex.InnerException; } }