Updating report parameters based on parameter selection? (SSRS)

Question

I\'ve created a report in SSRS with two report parameters. I\'d like the second to update it\'s values based on the selection in the first. The first is a list of sales agen

Answer 1

I haven't tried this myself, but I saw an example where they configured Available Values to come from a query, then used an expression to specify the query. The expression included the value of the first parameter.