DataAdapter: Concurrency violation


hello! write on c#, ado.net, dataset. have dataset , dataadapter filled it. in dataadapter override insert, update, delete commands. when use stored procedures, these commands, well. however, when use transactionns in stored procedures, exception: "concurrency violation: deletecommand affected 0 of expected 1 records." can please tell me do, , common solutions problem there? sample code , db http://dl.dropbox.com/u/46828938/datagridsample.zip reproduce problem: delete row datagrid , press "update" button. dbconcurrencyexception ("concurrency violation: deletecommand affected 0 of expected 1 records.") reproduce on:"productdataadapter.update(dataset, "products");" string.

ps:

1. sorry offtopic :)

2. example single-user: works on 1 machine / run 1 instance.

best regards!

hi ,

i think not silverlight issue.

i've found 2 links might solve problem.

http://social.msdn.microsoft.com/forums/en-my/adodotnetdataproviders/thread/52cddb99-8368-47dc-9e24-56f86f1316c9

http://social.msdn.microsoft.com/forums/is/adodotnetdataset/thread/dcac9e65-e236-4bd6-b452-485968edc4b6

i suggest post thread forums below in order more expert help:

http://social.msdn.microsoft.com/forums/is/adodotnetdataset/threads

 



Silverlight  >  Programming Silverlight with .NET – General



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