private void btn_them_Click(object sender, EventArgs e)
{
them_khachhang themkh = new them_khachhang(this);
themkh.StartPosition = FormStartPosition.CenterScreen;
themkh.Show();
}
public void btn_lammoi_Click(object sender, EventArgs e)
{
txtcmnd.Text = txtmkh.Text = txtquoctich.Text = txtsdt.Text = txttenkh.Text = null;
loadData();
clear_row();
datakhachhang.Rows[0].Selected = true;
btnSua.Enabled = false;
btnXoa.Enabled = false;
_them_khachhang = new them_khachhang();
}
private void btn_them_Click(object sender, EventArgs e)
{
them_khachhang _Them_khachhang = new them_khachhang();
_Them_khachhang.ShowDialog();
}