if (!Page.IsPostBack)
            {
                Map1.MapBackground.BackgroundBrush = new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF"));
                Map1.CurrentExtent = new RectangleShape(-13939426.6371, 6701997.4056, -7812401.86, 2626987.386962);
                Map1.MapTools.PanZoomBar.Enabled = true;
                Map1.MapTools.MouseCoordinate.Enabled = true;
                Map1.MapUnit = GeographyUnit.Meter;

                GoogleOverlay google = new GoogleOverlay("Google Map");
                google.JavaScriptLibraryUri = new Uri(ConfigurationManager.AppSettings["GoogleUriV3"]);
                google.GoogleMapType = GoogleMapType.Normal;
                Map1.CustomOverlays.Add(google);

                markerOverlay = new InMemoryMarkerOverlay("MarkerOverlay");
                markerOverlay.Features.Add("Kansas", new Feature(-10297409, 4814890));
                markerOverlay.ZoomLevelSet.ZoomLevel01.DefaultMarkerStyle.WebImage = new WebImage("../../theme/default/img/marker_blue.gif", 21, 25);
                markerOverlay.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

                Map1.CustomOverlays.Add(markerOverlay);
            }
        }
        InMemoryMarkerOverlay markerOverlay;
        protected void Map1_Click(object sender, MapClickedEventArgs e)
        {
            ((sender as Map).CustomOverlays["MarkerOverlay"] as InMemoryMarkerOverlay).Features.Add(new Feature(e.Position.X, e.Position.Y));
        }