How to undo changes after RowEditEnded?

[Roger]

I am handling the RowEditEnded event of my RadGridView to save the changes to the database through a service.  But if I get an error from the middle tier, I want to roll back those changes to the row.

At the time RowEditEnded is raised, it is too late to call CancelEdit(), so I thought that using the OldValues property of  GridViewRowEditEndedEventArgs would be the best way to go, and apply them to each cell in the row. The problem is that OldValues is a dictionary and GridViewCellBase can only be indexed by position.  I could find each cell binding and find the item in OldValues that matches it, but it seems to me that there should be a better way.

Is there an easy way to do this?

[Roger]

btw, I also tried this, but the cell value doesn't visually change.

foreach (var oldValue in e.OldValues)
{
    var cell = e.Row.GetCellFromPropertyName(oldValue.Key);
    if (cell == null)
        continue;

    cell.Value = oldValue.Value;
}

[Veselin Vasilev]

Hi Roger,

Please find attached a sample project. Edit a row and then click on the Undo Changes button.

Hope this will get you started.

Best wishes,
Veselin Vasilev
the Telerik team

[Roger]

Perfect!