private void bbtDanhsachkh_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = this.Kiemtratontai(typeof(Khachhang));
if (frm != null)
{
frm.Activate();
}
else
{
Khachhang kh = new Khachhang();
kh.MdiParent = this;
//dmk.StartPosition = FormStartPosition.CenterParent;
kh.WindowState = FormWindowState.Maximized;
kh.Show();
}
}
private void khachhang_Click(object sender, EventArgs e)
{
Khachhang f = new Khachhang();
f.Show();
}
