Пример #1
0
 private void btnTimKiem_Click(object sender, EventArgs e)
 {
     if (cbMaHDB.Text == "")
     {
         MessageBox.Show("Mã HĐB ! ");
     }
     else
     {
         dgvHDB.DataSource = bus_hdb.TimKiemHDB(cbMaHDB.Text);
     }
 }