How to configure Summarize Total in RDLC using grouping concept through RDLC

Hi All,

 I am getting a data from the database through dataset. after that i need to group through configuration or what ever. 

I need to make in rdlc like this.

first and last column if you look its grouping. and both the cells should be merged this is what i need. 

Ex:

Thanks,
Ponraj