public ActionResult AddAClickEvent()
        {
            Map map = new Map("Map1",
                    new System.Web.UI.WebControls.Unit(100, System.Web.UI.WebControls.UnitType.Percentage),
                    510);
            map.MapBackground.BackgroundBrush = new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF"));
            map.MapUnit = GeographyUnit.Meter;

            MultiGeoRasterLayer.BuildReferenceFile(@"..\..\data\referenceFile.txt", @"..\..\data");
            MultiGeoRasterLayer multiGeoRasterLayer = new MultiGeoRasterLayer(@"..\..\data\referenceFile.txt"); multiGeoRasterLayer.Name = "foo";
            LayerOverlay overlay = new LayerOverlay();
            overlay.Layers.Add(multiGeoRasterLayer);

            multiGeoRasterLayer.Open();
            map.CurrentExtent = multiGeoRasterLayer.GetBoundingBox();

            map.CustomOverlays.Add(overlay);
            return View(map);
        }