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How to exclude duplicates
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Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00090768
Message ID:
00090772
Vues:
23
Hey Larry,

>I want to check for duplicates before I commit a new record.
>
>My form uses bound text boxes and the 'Add' button appends a blank record. When the text boxes are filled in, and I search for a pre-existing record using the key fields, I find the record I'm adding!!!
>
>What is the right way to do this? Does it involve public/private datasessions - buffermode settings - etc.?

Take a look at PRIMARY and CANDIDATE indexes.
Jim Duffy
Microsoft MVP
INETA Speaker
TakeNote Technologies
Developer's Choice Award Winner for Best Training Company
Specializing in VB.NET, ASP.NET, VFP, and SQL Server Training and Development
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