Unhandled InvalidOperationException


i have database table called qlinks, 2 columns, url , name. table displayed on form called qlinks, in details view. when try save data after i've deleted row of table, o yellow po-up telling me invalidoperationexception unhandled. error "update requires valid deletecommand when passed datarow collection deleted rows." please try help, beginning programmer doesn't know much. code samples appreciated. in advance.

ha, didn't expect reply after long. posted last year. sql 05 express doesn't seem work on computer. (i think has amount of memory have.) gave on 1 long ago.


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