I am trying to upgrade a visual studio 2015 mvc application from R3 2016 to R3 2018. The upgrade wizard reported that it successfully upgraded the solution, but it didn't. I manually added the new libraries and fixed the reportviewer code and api code. Unfortunately I cannot get the parameter area to show for any reports. My project contains the following references:
The code for the view is as follows - note that I tried explicitly setting the parameter area visible in the code and I also have clicked the parameter toggle on the toolbar once the report loads - neither had any effect.