private void btn_AddNewVender_Click(object sender, EventArgs e)
{
frm_NewVendor frm = new frm_NewVendor( );
frm.FormClosed += new FormClosedEventHandler(dongformVender);
frm.ShowDialog( );
}
private void btn_Add_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frm_NewVendor frm = new frm_NewVendor();
frm.FormClosed += new FormClosedEventHandler(dongform);
frm.Show();
}