int SttTang()
{
int dem = 0;
int temp = 1;
FormNguoiDat frmND = new FormNguoiDat();
dem = frmND.dgvNguoiDat.RowCount;
if (dem == 0)
{
return(temp);
}
else
{
foreach (DataGridViewRow row in frmND.dgvNguoiDat.Rows)
{
if (temp < int.Parse(row.Cells[0].Value.ToString()))
{
temp = int.Parse(row.Cells[0].Value.ToString());
}
}
temp += 1;
return(temp);
}
}
private void button4_Click(object sender, EventArgs e)
{
FormNguoiDat frm = new FormNguoiDat();
frm.Show();
}