private void btnSach_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.KiemTraTonTai(typeof(frmSach)); if (frm != null) { frm.Activate(); } else { frmSach f = new frmSach(); f.MdiParent = this; f.Show(); } }
private void butfrmSach_Click(object sender, EventArgs e) { frmSach frms = new frmSach(); frms.ShowDialog(); }
private void sáchToolStripMenuItem_Click(object sender, EventArgs e) { frmSach fSach = new frmSach(); fSach.ShowDialog(); }
private void thôngTinSáchToolStripMenuItem_Click(object sender, EventArgs e) { frmSach s = new frmSach(); s.ShowDialog(); }