void  OnLoadingRowDetails(object sender, Telerik.Windows.Controls.GridView.GridViewRowDetailsEventArgs e)
        {
            var widthProxy = new WidthProxy();

            widthProxy.TargetElement = e.DetailsElement;
            widthProxy.SetBinding(WidthProxy.WidthProperty, new Binding("ActualWidth")
            {
                Source = sender as RadGridView
            });
        }
		void  OnLoadingRowDetails(object sender, Telerik.Windows.Controls.GridView.GridViewRowDetailsEventArgs e)
		{
			var widthProxy = new WidthProxy();
			widthProxy.TargetElement = e.DetailsElement;
			widthProxy.SetBinding(WidthProxy.WidthProperty, new Binding("ActualWidth") { Source = sender as RadGridView });
		}