private void DataGrid_GridTapped(object sender, GridTappedEventArgs e)
        {
            View view = dataGrid.GetChildAt(e.RowColumnIndex.ColumnIndex);

            if (view == null)
            {
                return;
            }

            var menu = new PopupMenu(Context, view);

            menu.Inflate(Resource.Menu.DataGridPopupMenu);

            menu.MenuItemClick += Menu_MenuItemClick;

            selectedRowIndex = e.RowColumnIndex.RowIndex;

            menu.Show();
        }