private void m_cmd_khoa_vien_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { try { if (f400 == null || !IsFormOpen(f400)) { f400 = new f400_DM_KHOA_VIEN(); f400.MdiParent = this; f400.Show(); } else { f400.Focus(); } } catch { MessageBox.Show("Đã xảy ra lỗi trong hệ thống!"); } }
private void m_cmd_khoa_vien_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { f400_DM_KHOA_VIEN f400 = new f400_DM_KHOA_VIEN(); f400.MdiParent = this; f400.Show(); }