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This_guy_needs_help
Starting Member

1 Posts

Posted - 08/31/2013 :  11:36:49  Show Profile  Reply with Quote
Hi everyone,
I know this has been probably been asked before but this has a little twist to it...
I'm generating a random number to create an Order Number in C#, and I need to check if there is a duplicate Order Number in my sql table, but what I need to do ( I have figured this out before but lost my code ) that if it does find a duplicate number that I need it to return an output of 1 and if there is no duplicate order number I need it to return a 0 so I can handle it in my code.
I have figured this out ages ago but I can't find my code anywhere for it and am stuck trying to figure it out again.

Thanks everyone for helping me with this.

Sincerely,
This_guy_needs_help

SwePeso
Patron Saint of Lost Yaks

Sweden
30212 Posts

Posted - 08/31/2013 :  15:21:16  Show Profile  Visit SwePeso's Homepage  Reply with Quote
SELECT COUNT(*)
FROM (
select number from dbo.table1
intersect
select @parameter
) AS d



Microsoft SQL Server MVP, MCT, MCSE, MCSA, MCP, MCITP, MCTS, MCDBA
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visakh16
Very Important crosS Applying yaK Herder

India
52317 Posts

Posted - 09/02/2013 :  09:04:19  Show Profile  Reply with Quote
why do you need to generate it at application layer? why not just make it identity in database so that its gets generated automatically?

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