Displaying 2 datsets on one page using Monthyear Parameter

Hi  Karolina411 ,

You can try the following steps:

SSRS is case sensitive, so make sure you spell the dataset name correctly when referencing it in your expression.

If you are using the + operator to splice characters, you can try using & instead.

reporting services - SSRS Expression: The value expression for textbox has scope parameter that is invalid for aggregate - Stack Overflow

Here is the solution to a similar error, hope it helps:

Multiple DataSet error SSSRS - Microsoft Q&A

Error in SSRS "Aggregate expression without scope – SQLServerCentral Forums

Best Regards,

Liu Yang

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