public override void ViewDidLoad()
{
base.ViewDidLoad();
this.flexGrid.ItemsSource = Customer.GetCustomerList(100);
this.flexGrid.ColumnHeaderFont = UIFont.BoldSystemFontOfSize(this.flexGrid.Font.PointSize);
this.flexGrid.SelectionChanged += (object sender, Xuni.iOS.FlexGrid.SelectionChangedEventArgs e) =>
{
this.selectionCount.Title = "Selected: " + (this.flexGrid.Selection.ColumnSpan * this.flexGrid.Selection.RowSpan);
};
}