Report : Stop escalation on Nested Queries with field conditional

[EricProvBRP]

I have a big report to generate and I want to call child query only when the value return by parent query is not “null”. Is it possible ?

[pturmel]

Yes, but only via scripting. See this thread for inspiration:

Report with Scripted Nested Data

The report datasource scripting examples explain how to access the nested data in another key for use constructing a custom dataset. What I don’t see is how to construct nested data that would be suitable for use with a child table in a table group. I have a parent dataset that I’m constructing via script due to annoying limitations of an ancient SQL Server 2000 instance. I need a subquery for each row that could be done with a normal query, but there’s no way to add a regular subquery to a s…