Check for Inserting Same ID Number using VB.NET and SQL Server 2000
I have ID Number Based Application once i enter one ID Number how can i put a check to stop entering same ID number
am using VB.Net with Sql2000
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ASKED:
March 23, 2008 11:23 PM
UPDATED:
March 24, 2008 7:26 PM
Answer Wiki:
I usually use auto-increment fields for my primary key to avoid duplication. This creates a unique ID for you automatically when you insert a new row in the DB.
Hope this helps,
Joelle
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