void DeleteSCTDONDH() { int id = Convert.ToInt32(txtsodh.Text); CTDONH dh = db.CTDONH.Where(p => p.SODH == txtsodh.Text && p.MAVTU == txtmavtu.Text).SingleOrDefault(); db.CTDONH.Remove(dh); db.SaveChanges(); }
void InsertCNDONH() { try { CTDONH dh = new CTDONH(); dh.SODH = txtsodh.Text.ToString(); dh.MAVTU = txtmavtu.Text.ToString(); dh.SLDAT = Convert.ToInt32(txtsld.Text.ToString()); db.CTDONH.Add(dh); db.SaveChanges(); LoadData(); } catch (Exception ex) { MessageBox.Show("Lỗi" + ex.ToString()); throw; } }