Cannot find field Name, Pls pls help

[iamraja5]

I am desinging a report, I cannot see some fileds in Sorting and grouping. The query that I am runing has those fieds, How can I get to see all the fileds in sorting and grouping?

Thanks

 

[iamraja5]

Ok I figure this out,
if the field type is memo, it will not show the field name in sorting and grouping option on the report design.