// xóa public void Delete(EC_CTIETHD et) { sql.Delete(et); }
// sửa public void Update(EC_CTIETHD et) { sql.Update(et); }
public void Insert(EC_CTIETHD et) { sql.Insert(et); }
// xóa public void Delete(EC_CTIETHD et) { cn.ExecuteSql(@"DELETE FROM CTIETHD WHERE MaHD = N'" + et.MaHD + "' "); }
// sửa public void Update(EC_CTIETHD et) { cn.ExecuteSql(@"UPDATE CTIETHD SET SoLuongMua = N'" + et.SoLuongMua + "' WHERE MaHD = N'" + et.MaHD + "' AND MaMH =N'" + et.MaMH + "'"); }
public void Insert(EC_CTIETHD et) { cn.ExecuteSql(@"INSERT INTO CTIETHD(MaHD, MaMH, SoLuongMua) VALUES(N'" + et.MaHD + "',N'" + et.MaMH + "',N'" + et.SoLuongMua + "')"); }