Export To Excel

Hello all,
we have created one Adhoc CDT[the type is list of dictionaries] ,when we pass the list of dictionary data the export CDT to excel smart service is return an error,
I want to know any other way to generate excel file with adhoc CDT data? ,
For cdt list data[getting data from db using query rule] the smart service working fine .
Example Adhoc CDT :
{{username:"test" , lastname:"user",username:"tuser",fullName:"testuser"}}

Thanks In Advance.

OriginalPostID-255025