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;
}
}
