private void btn_Add_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frm_RegisterUser f = new frm_RegisterUser();
f.FormClosed += new FormClosedEventHandler(dongformEmployee);
f.ShowDialog();
}
private void btnRegistered_ItemClick(object sender, ItemClickEventArgs e)
{
Form frm = kiemtraform(typeof(frm_RegisterUser));
if (frm == null)
{
frm_RegisterUser forms = new frm_RegisterUser( );
forms.MdiParent = this;
forms.Show( );
}
else
{
frm.Activate( );
}
}