Check for Inserting Same ID Number using VB.NET and SQL Server 2000

5 pts.
Tags:
SQL Server 2000
VB.NET
Visual Basic .NET
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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Thanks. We'll let you know when a new response is added.

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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