private void DoiMatKhauTSMI_Click(object sender, EventArgs e)
{
frmDoiMatKhau frmDMK = new frmDoiMatKhau();
frmDMK.Show();
}
private void btnDoiMatKhau_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frmDoiMatKhau login = new frmDoiMatKhau();
login.ShowDialog();
}