I want to Disable the parametersArea "Preview" button when the report is still generating(rendering) and enable back once the report is rendered.

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Sathish
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Sathish asked on 02 Sep 2025, 09:27 AM

I am using the Telerik Reporting REST Service project to render code-based reports in the WinForms ReportViewer. But I have a problem with this "PREVIEW" button, when the user quickly clicks multiple times while generating the Report. It throws the following exception within the viewer: 

 

I just want to disable the Preview button while the report is still generating, and enable it once the report is fully generated. And I don't want to allow the user to double-click the PREVIEW button(Disable the button immediately on a first click until the report is fully generated).

 

Please help me fix my issue.

Thanks in advance.

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