Hello Adam,
Handling attachments and images would depend on how you store your data on the server. What we can offer you is an upload control, which is capable of uploading any files to the back end server or storing them into database. You can see an online gallery example with the RadUpload control
here. This example also shows how to display the image, after it has been uploaded.
Please let us know if you have further questions on this matter.
Best wishes,
Alex Fidanov
the Telerik team
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