Very often mapping applications involve some sort of sidebar where the overlays are listed. With ASP.NET new ObjectDataSource it is possible to bind the GoogleMap's OverlayCollection to a Repeater or DataList. This is very easy, but to make it even easier I developed a Sidebar control. The Sidebar displays all overlays in the OverlayCollection of a GoogleMap in a table, much the same as if you had tied it to a DataList.
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