Do you want to use QueryRun object but not able to show summarized values (like SUM, COUNT, etc) as a result?
Look at this article, it will give all the answers https://dev.goshoom.net/2015/11/summarized-values-in-ax-form/
AX / D365FO – Summarized values / Aggregation fields in a Form with QueryRun Object
AX / Dynamics 365 For Finance and Operations blog 