private void barButtonItem9_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { frmTraSach fm = new frmTraSach(); bool Exist = ExistForm(fm); if (Exist) { return; } fm.MdiParent = this; fm.Show(); }
private void pictureBox12_Click(object sender, EventArgs e) { Form Tra = new frmTraSach(); Tra.ShowDialog(); }
private void trảSáchToolStripMenuItem_Click(object sender, EventArgs e) { Form Tra = new frmTraSach(); Tra.ShowDialog(); }