You have some serious ' mismatches in your where clause.
Try this:
' WHERE ' + @ArchiveSourceDateField + ' <= ''' + cast(datepart(mm, @ArchiveCutOffDate) as varchar) + '/' + cast(datepart(dd, @ArchiveCutOffDate) as varchar) + '/' + cast(datepart(yyyy, @ArchiveCutOffDate) as varchar) + ''''
_______________________________________________________________
Need help? Help us help you.
Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.
Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.
Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/