Do you export the content with Ajax? RadEditor's Export toPDF
functionality cannot be ajaxified. This is because the Form element is modified during the procedure. In order to use ExportToPdf you need to trigger full postback. To achieve this you need to force Button1
to perform postback. You can find a detailed explanation and a solution in the following help article:
Force controls in ajaxified container to perform PostBack
If your scenario is other, open a support ticket and provide a simple working project that demonstrates the problem.
the Telerik team
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