static AddKhachHang() { if (signleton == null) { signleton = new AddKhachHang(); } }
private AddKhachHang() { InitializeComponent(); this.DataContext = new ViewModel(); EventHandler eventHandler = (o, i) => { signleton = new AddKhachHang(); }; this.Closed += eventHandler; }
private void btnEdit_Click(object sender, RoutedEventArgs e) { if (dgContent.CurrentItem != null) { tableLog.SetRowChange(((DataRowView)dgContent.CurrentItem).Row); AddKhachHang addKhachHang = new AddKhachHang(((DataRowView)dgContent.CurrentItem).Row); addKhachHang.dataGrid = this.dgContent; addKhachHang.Show(); } else { MessageBox.Show("Không có hàng nào được chọn!"); } }