This is something that has bothered for me for a while. In SQL Server Reporting Services, you write a query against a data source, and that becomes the data set for the report. Brilliant. I like to write the query in Management Studio first, and then paste it across. But this doesn't always work, and multi-value parameters is why. ...

Here's the scenario. Your SQL Server Reporting Services (SSRS) report has a matrix, showing the sales of each salesperson per year. You put conditional formatting in place so that cells in the matrix that have sales over 1000000 are in a different colour - which is done by putting a formula in the property 'color', like =iif(me.value ...