Remove Fields Programatically

Is it possible to remove fields programatically from a report file at run time?

I have too many years worth or data being returned and it exceeds the width of an A4 page - So I want to allow the users to select the years that they wish to view via a checkedlistbox - but each time I remove the Columns from the dataTable that populates the report files I get an error as noted below

I'm using VS 2005 and CR shipped with it...

<error>
The field name is not known.
Error in Filed C:\documents and settings\<insert file path here>\rpt_siz_xty {EBEF8981-654C-42C7-9DDA-3AC4184771C8}.RPT:
Error in formula <sizYr01>.
If IsNull({sp_rpt_siz_xty;1.sizYr01}) Then space(12) Else Cstr({sp_rpt_siz_xty;1.sizYr01})
The field name is not known.
</error>

I've dome a fair amount of searching and can't seem to find any remove methods for the field definitions...

Anyone?I think the field u r deleting is used in a formula in report. U need to delete that formula also.|||Why do you want to do it at runtime?