MS CRM 2013 : Multi select records on Sub Grid

Hi,

I want to filter the records of a child entity in a sub-grid on parent record in MS CRM 2013.

It required multiple entities filtering via relationships. So I have used fetchXml in Javascript in order to filter.

It works absolutely fine.

Now, I want to select multiple records in the rendered filtered child records, which I am not able to do it.

It seems this selection is not there in 2013 version of MS CRM.

Is there any other way to achieve this functionality? Or any way to select multiple records using this way?

Thanks in advance.

Regards,

Arun S.