R – Visual Studio 2008 Report Server Project Design View not working

bidsdesignviewreporting-servicesvisual-studio-2008

When I create a new Reporting Services report or try to open an existing report (that has been working) in Visual Studio 2008. I cannot view the design. I get no error message and it only shows html code in the "Design View". I've tried reinstalling VS2008 and BIDS, but hasn't worked. This was all working when I last used it 2 weeks ago.

-nate

Best Answer

I had the same problem, and Kyle's was the exact answer. In my case, the Error List window (In Visual Studio 2008 IDE: View > Error List) displayed three errors, all the same:

"The 'DataType' attribute is not declared."

The three lines looked like this:

1291: <Value DataType="Integer">3</Value>
...
1295: <Value DataType="Integer">2</Value>
...
1299: <Value DataType="Integer">1</Value>

On removing the DataType="Integer" from each line, as below, the report displayed correctly:

1291: <Value>3</Value>
...
1295: <Value>2</Value>
...
1299: <Value>1</Value>

My assumption/guess is that the report was modified from the Report Manager web page (http://localhost/reports/)

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