Numeric 4 Digit ID

Is there some kind of .net object that manages and returns 4 digit unique IDs?

For example I may have 1000 to 2000 users connected to my server and each of them needs a unique 4 digit ID.  

User 1 = 1000
User 2 = 1001
User 3 = 1002

Is there a .net object that I can just call upon that returns me these incremented numbers for example or something?
Who is Participating?
Irwin SantosConnect With a Mentor Computer Integration SpecialistCommented:
If you are using SQL, then you can create a field called ID, seed it with 1000, then increment automatically by 1 each time a new record is created.. this will be an "identity" field.

Somewhere you need to create a flat file database, or integrate a working db model.
not that i know of. you may need to create your own class for doing this. or you could use the System.Guid.NewGuid to create unique GUID numbers, but they are more than 4 digits (i think they are 32 digits and letters, but they are unique 99.99% of the time).
Irwin SantosComputer Integration SpecialistCommented:
wow...that was thank you!
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