private void btnDoiMatKhau_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = formCheck(typeof(frmDoiMatKhau));
if (frm == null)
{
frmDoiMatKhau f = new frmDoiMatKhau();
f.MdiParent = this;
f.Show();
}
else
{
frm.Activate();
}
}
private void DoiMatKhauTSMI_Click(object sender, EventArgs e)
{
frmDoiMatKhau frmDMK = new frmDoiMatKhau();
frmDMK.Show();
}