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20151118 [SSRS RDLC SLOWNESS ISSUE AFTER UPGRADE TO VS2015]
Posted by
nigel
on
Wednesday, November 18, 2015 (PST)
RDLC;SSRS;VS2015;VISUAL STUDIO 2015;ASP;ASP.NET
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After upgrading RDLC Microsoft Report View in ASP.Net from v8 (VS2005) to v12 (VS2015). The reports run extremely slow. I dig through the internet and found the article at http://travis.io/blog/2014/10/27/rdlc-performance-issues-dotnet45. The issue described in this article matches to my symptom.
In my environment, there is no dynamic variables so I applied his solution 1 by adding <trust legacyCasModel="true" level="Full"/> to webconfig. The problem was resolved.
What I couldn't believe that is the original problem was described in VS2008. It's now VS2015. The same issue is still there. Not sure why Microsoft didn't do anything about it.
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