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08.06.2007 at 10:58AM PDT, ID: 22744722
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6.2

Why am I receiving a concurrency error in a single-user application?

Asked by otto8 in C# Programming Language, .NET Framework 2.x

Tags: , ,

I am coding a client-server application which uses data adapters to update a database. My app contains a screen displaying the details of a Quote (Id, Creation Date, Creator etc.) along with the individual Quote Items (Item Id, Description, Price, Quantity). There is a one to-many relationship between Quote and Quote Items (which is implemented in my dataset).

I have no trouble creating a new Quote with various Quote items, but when I try to update an existing Quote I receive the error: Concurrency violation: the UpdateCommand affected 0 of the expected 1 records.

I am the only user of the application so I don't understand why a concurrency error is occuring. Can anyone tell me what I should be looking for?


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Zones: C# Programming Language, .NET Framework 2.x
Tags: concurrency, affected, 0
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Solution Provided By: Miriam0000
Participating Experts: 2
Solution Grade: A
 
 
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