I wanted (needed!) to write a script to automatically generate a number of reports based on sets of parameters. Most of the scripting I’ve done before are for straight up parameters that I can pass using SMO or through the URL string.
This time, I had a cascading query-based parameter, ie one parameter that is filled out based on another parameter. I was doing my usual drill with PowerShell when I got the following infamous error:
“This report requires a default or user-defined value for the report parameter. To run or subscribe to this report, you must provide a parameter value.”
Which is weird because I did provide all the required parameters. A quick search leads me to a few blog posts, most of which mentioned that it’s because of my query based parameter. Most also suggest the resolution is to convert my parameter which has query-based parameter to be non-query based.
The only problem is I can’t. And I don’t want to. That’s not a resolution. This report is meant to be used both by users for ad hoc purposes, and for massive downloading for month-end reports. Removing the query-based values for a parameter *IS NOT* a resolution. Not for me anyway.
