Hello,
I'm using the report design in Visual Studio 2013.
Every time that i make a change in the design tab and go to the preview tab, the result show like 1 or 2 seconds and go back automatically to the design tab, then i go again to the preview tab, and the result is displayed and stays there.
When you are modifying a large report, that take long time to load, its pretty annoying this behavior.
Thanks.