.net - The VS.NET Designer For My ASP.NET Pages Show "response Is Not Available In This Context" For All Controls?

Feb 7, 2011

I have a VS.NET solution that was originally a 3.5 VS.NET 2008 solution, now upgraded to VS.NET 2010 .NET Framework 4.0. I rarely use the 'Designer' tab to preview the generated controls of my ASP.NET pages, but in this instance I want to to see the wizard of an Object Data Source Control.Now ALL of my pages (content pages of a single simple Master page) show the message "response is not available in this context" for all of my controls. I tied deleting the page from my project, adding a new page, and copying back in the source and code; same error. I also tried cutting out controls 1 at a time, and clicking "Refresh" in the designer but I can't find out the problematic issue. Remember every single page in my solution does this.

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