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Editorial Team
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Asked: 2026-05-12T18:41:58+00:00

I have a grid bound to a BindingSource which is bound to DataContext table,

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I have a grid bound to a BindingSource which is bound to DataContext table, like this:

myBindingSource.DataSource = myDataContext.MyTable;
myGrid.DataSource = myBindingSource;

I couldn’t refresh BindingSource after insert. This didn’t work:

myDataContext.Refresh(RefreshMode.OverwriteCurrentValues, myBindingSource);
myBindingSource.ResetBinding(false);

Neither this:

myDataContext.Refresh(RefreshMode.OverwriteCurrentValues, myDataContext.MyTable);
myBindingSource.ResetBinding(false);

What should I do?

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1 Answer

  1. Editorial Team

    I have solved the problem but not in a way I wanted.

    Turns out that DataContext and Linq To SQL is best for unit-of-work operations. Means you create a DataContext, get your job done, discard it. If you need another operation, create another one.

    For this problem only thing I had to do was recreate my DataContext like this.dx = new MyDataContext();. If you don’t do this you always get stale/cached data. From what I’ve read from various blog/forum posts that DataContext is lightweight and doing this A-OK. This was the only way I’ve found after searching for a day.

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