>Somehow, I've got a "bug" in my vfp application that the user can occanically manage to "move" a scheduled event to the year 1899, what I'm guessing is was some type of invalid invalid date value during the udpate. It has only happened 3 times in the last 12 months, so it's fairly rare, but I'm hoping I can prevent the record at the database level from being updated if the year portion of the date being updated is two years prior to the current system date. I don't know enough about writting triggers to know if I can do this in like a instead of type of trigger.
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>Thanks for any pointers.
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Kirk,

You can use Check Constraint

datepart(year,[mydate]) >= datepart(year,getdate()) - 2)