private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
int temp = e.RowIndex;
if (temp != -1)
{
string t = dataGridView1.Rows[temp].Cells[0].Value.ToString();
dataGridView2.DataSource = Mon_BUS.LoadDSMonTheoLoai(t);
lbLoaiMon.Text = t;
}
else
{
return;
}
}
