SSRS Interview Questions - How to call a Report in Another Report and Map Parameter (SubReport)

SubReport Item can be used to display another report in Main report.

First of all you will be creating the Sub Report or detail Report with the Parameter. Let's say we have created the report that accepts Region Parameter and display all sales in that region.

Now let's create Master Report. Let's say we have region column in this master report. Now we can use the Sub Report Item and then go to properties. Use the Detail Report and go to Parameters and then Map the Column to Sub Report(Detail Report) Parameter.