private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { frmNhanVien fn = new frmNhanVien(); bool Exist = ExistForm(fn); if (Exist) { return; } fn.MdiParent = this; fn.Show(); }
private void mnudlnhanvien_Click(object sender, EventArgs e) { frmNhanVien f = new frmNhanVien(); f.ShowDialog(); }