private void btnDocGia_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.KiemTraTonTai(typeof(frmDocGia)); if (frm != null) { frm.Activate(); } else { frmDocGia f = new frmDocGia(); f.MdiParent = this; f.Show(); } }
private void btnTimKiemDocGia_ItemClick(object sender, ItemClickEventArgs e) { Form frm = formCheck(typeof(frmDocGia)); if (frm == null) { frmDocGia f = new frmDocGia(); f.MdiParent = this; f.Show(); } else { frm.Activate(); } }