>>If the RectangleHotSpot control is not containing an ID, how can I change its NavigateUrl property from the code behind? If it difficult to establish a reference to this control if I cannot assign an ID to it.
>
>You could possibly set the HotspotMode to navigate and use the following
>
>[BindableAttribute(true)]
>public string NavigateUrl { get; set; }
>
>Carl

Also, I used the following type of logical in my image code.

ImageMapName.HotSpots[0].NavigateUrl = ""

hope this helps