partial void DeleteSalesPromotion(SalesPromotion instance);
partial void InsertSalesPromotion(SalesPromotion instance);
partial void UpdateSalesPromotion(SalesPromotion instance);
public int Insert(SalesPromotionModelShow item) { s26webDataContext db = new s26webDataContext(); try { SalesPromotion new_item = new SalesPromotion { Code = item.Code, Name = item.Name, Point = item.Point, Deadline = item.Deadline, CreateTime = DateTime.UtcNow }; db.SalesPromotion.InsertOnSubmit(new_item); db.SubmitChanges(); db.Connection.Close(); return new_item.Id; } catch { return -1; } }