how are you updating the database? use CommandBuilder? see
Tackle Data Concurrency Exceptions Using the DataSet Object
http://msdn.microsoft.com/msdnmag/issues/03/04/DataConcurrency/default.aspx
Concurrency Control in ADO.NET
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vboridataupdatesconcurrency.asp
Tackle Data Concurrency Exceptions Using the DataSet Object
http://msdn.microsoft.com/msdnmag/issues/03/04/DataConcurrency/default.aspx
Concurrency Control in ADO.NET
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vboridataupdatesconcurrency.asp
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