I'll copy/paste here the answer that I gave you on your support thread:
"The problem is that the cdbChartPage user control in which you are using the images is not on the same hierarchy level as the Images folder - your folder hierarchy is like this:
This means that the path to the images is not Images/1Zone.png but it is ../Images/1Zone.png so you should define your image like this:
I've attached your project without most of its code (and dlls) but with visible images so could you please examine it and if you have more questions feel free to ask."
the Telerik team
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