Disable Editing a Cell Without Protecting the Worksheet

Is there any way I can disable a specific cell from editing after the user makes a selection.

Any help would be appreciated.

Thanks, Anil

No. Actually I am letting the user enter the number of part types in a cell (say "C4") and then macro creates forms for data entry based on number of part types.

I don't want the user to keep changing the part types (cell "C4") before resetting the form - which necessiates disabling the user from editing this cell ("C4")

Thanks, Anil

Thank Roy for the hints, solved my problem.

Thanks, Anil