I beleive this qualifies as a general acad question, I am using Civil 3D. We have a sheet set that is 237 sheets, all in one discipline. The individual sheet numbers are in a field in the title block. These numbers are pulled in from the page number in the sheet properties which is manually entered. However when a sheet is added or removed, this requires a large amount of work renumbering all the sheet properties so that the sheet numbers are up-to-date. Isn't there a way that acad will automatically revise the sheet numbers so they are up-to-date without having to renumber all the sheets?