public OperationResult Delete(string Account_no, string Item_no)
        {
            var model = Rela_account_contractpriceList.FirstOrDefault(t => t.Account_no == Account_no && t.Item_no == Item_no);

            Rela_account_contractpriceRepository.Delete(model);
            return(new OperationResult(OperationResultType.Success, "successfully deleted"));
        }
        public OperationResult Update(UpdateRela_account_contractpriceModel model)
        {
            var entity = Rela_account_contractpriceList.First(t => t.Account_no == model.Account_no && t.Item_no == model.Item_no);

            entity.Account_no   = model.Account_no;
            entity.Item_no      = model.Item_no;
            entity.Price        = model.Price;
            entity.Cost         = model.Cost;
            entity.Gp           = model.Gp;
            entity.Unit         = model.Unit;
            entity.Status       = model.Status;
            entity.Account_type = model.Account_type;
            entity.Cretuser     = model.Cretuser;
            entity.Cretdate     = model.Cretdate;
            entity.Modidate     = model.Modidate;
            entity.Modiuser     = model.Modiuser;
            entity.Start_date   = model.Start_date;
            entity.End_date     = model.End_date;

            Rela_account_contractpriceRepository.Update(entity);
            return(new OperationResult(OperationResultType.Success, "update completed"));
        }
        public OperationResult Insert(Rela_account_contractpriceModel model)
        {
            var entity = new Rela_account_contractprice
            {
                Account_no   = model.Account_no,
                Item_no      = model.Item_no,
                Price        = model.Price,
                Cost         = model.Cost,
                Gp           = model.Gp,
                Unit         = model.Unit,
                Status       = model.Status,
                Account_type = model.Account_type,
                Cretuser     = model.Cretuser,
                Cretdate     = model.Cretdate,
                Modidate     = model.Modidate,
                Modiuser     = model.Modiuser,
                Start_date   = model.Start_date,
                End_date     = model.End_date,
            };

            Rela_account_contractpriceRepository.Insert(entity);
            return(new OperationResult(OperationResultType.Success, "Added successfully"));
        }