private void buttonaddacc_Click(object sender, EventArgs e)
{
updatehang U = new updatehang("add");
U.D = new updatehang.Mydel(Show);
U.ShowDialog();
}
private void buttonupdateacc_Click(object sender, EventArgs e)
{
DataGridViewSelectedRowCollection r = dataGridView1.SelectedRows;
if (r.Count == 1)
{
string MH = r[0].Cells["MaHang"].Value.ToString();
updatehang U = new updatehang(MH);
U.D = new updatehang.Mydel(Show);
U.ShowDialog();
}
}
