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Editorial Team
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Asked: 2026-05-13T10:04:14+00:00

I am not able to use the SSRS report viewer in a web form

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I am not able to use the SSRS report viewer in a web form page within a MVC application. It all works great, but when the control goes to render I always get the error within the control:

ASP.NET ViewState has been disabled. The Report Viewer control requires that ViewState be enabled.

I set EnableViewState to true on the control and at the @Page directive, as well as in the code-behind… but no avail. So obviously that’s not the case, but I’m unsure how to resolve, since I see other user’s have had success…

Any ideas?

Thanks.

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1 Answer

  1. Editorial Team

    I figured it out; I was missing the definition around the report viewer :-;

    Found this out by reading: http://forums.asp.net/t/994250.aspx (further down the thread).

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