RDLC Report grouping

Hi all ,

I need grouping like

Item1

Description

ItemVarient Field1 ItemVarient Field2 ItemVarient Field3 ItemVarient Field4 ItemVarient Field5

Value Value Value Value Value

Item2

Description

ItemVarient Field1 ItemVarient Field2 ItemVarient Field3 ItemVarient Field4 ItemVarient Field5

Value Value Value Value Value

How to group in the RDLC report

I want for all the items from item table and also every item in a different table …

I am little bit confused .

Please help me regarding this.

Thanks in advance