>>>Hello all. I am currently re-writing some legacy VFP apps into .NET web applications.
>>>My current problem exists with migrating over legacy data into SQL server.
>>>Most of these tables use character based prime keys, and are auto-incremented with the MM newid function using IncrementBase36.
>>>
>>>Since these prime keys are deployed into user data, there is no easy way to completely eliminate them until they are gradually phased out. As such, I am trying to use both a new integer based system and replicate any necessary legacy structure in SQL Server. Has anyone had any experience with writing a new equivalent for IncrementBase36?
>>>Thanks.
>>
>>Have you tried using uniqueidentifier?
>
>
>I thought uniqueidentifier only returned a 16 digit GUID. I need to increment an existing range - example 00001A to 00001B.

I see. Perhaps you may need to roll your own unless someone already done it.