Changing contract parameter to an existing reports sometimes become cumbersome. It becomes more difficult when you are removing parameters from the contract class and changes are not reflecting in the visual studio design side. If figured out the list of steps that you need to do for refreshing the SSRS meta data
When changing parameter labels in the Contract class, do the following:
1. In VS, remember to change the prompting string for the parameter.
2. Refresh the Datasets.
3. Build the VS project.
4. Add the Report to the AOT.
5. Delete the Report from the Report Server.
6. Deploy the report in VS.
7. Most importantly, Compile the SSRSReport in the AOT.
8. Go to the SSRS Report XPO in your file system and validate that your changes took effect. Check the top of the XPO and the bottom where the RDL is located to validate that the changes took effect.
