I try to make ms-access program by C# and visual components, I use VS 2010 and Access 2007.
An error occurred when I try to save (Button 2)
concurrency violation the updatecommand affected 0 of the expected 1 records
in the method
drugTypeTableAdapter.Update(pharmaDataSet.drugType);
or if I replace it with
this.tableAdapterManager.UpdateAll(pharmaDataSet);
please reply ASAP
thanx

Help

