I have an .aspx page that contains a ReportViewer control. The report displays properly, but I cannot get the document map to disappear. If you look at the two following images:


You can see that the toggle button exists, but when I click it nothing happens. I also tried this in chrome with the developer console enabled and there were no javascript errors.
Any thoughts on what I may need to do to fix this issue?
I set the
AsyncRenderingproperty to true and theSizeReportToContentproperty to false and the document map expand/collapse button started working properly.