Try the same problem with clearing catch and buffer.

Total cost to execute a query is 100%. In execution plan this 100% is divided across each part. For example to run a query (100%) with table scan (65%) and...

Let me know in detail the scenario of taking aggregation. Since i tried several times in RDL's the aggregate works properly.

Please let me know whether you are using RDL or RDLC.

Thanks for the approach, The report parameter values currently loaded from backend using procedure. If value not exists for the report parameter then the parameter need to be hide.

Need to hide parameter for SSRS reports in run time. Is there any way to achieve it.

Example: Need to hide a parameter based on sql table data.