private void btnXemKetQua_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.CheckExists(typeof(frmXemKetQua)); if (frm != null) { frm.Activate(); } else { frmXemKetQua f = new frmXemKetQua(); f.MdiParent = this; f.Show(); } }
private void btnXemKetQua_Click(object sender, EventArgs e) { frmXemKetQua f = new frmXemKetQua(); f.ShowDialog(); }