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How to get DataItem for AddRecord?
posted

In the attached project I have a xamdatagrid with two combo box type controls on each row.  When the value of one of the controls changes, I want to update the value of the other.  For example, when the user uses the "Account number" control to select an account by account number, I want to update the "Account Name" control to refelect the selected account name.  Please see the code below in MainWindow.xaml.cs:

   private void SelectorTextBox_SelectionChanged(KeyValuePair<string, string> SelectedItem)
        {
            Trade t = (Trade)grid.ActiveDataItem;  // Fails here because ActiveDataItem is null if row has not been committed.
            t.ACCT_NO = Convert.ToInt32(SelectedItem.Key);
            t.ACCT_Name = SelectedItem.Value;
        }

The problem only occurs if the user changes a control on the Add row, in which case the Active Data Item is null.

 

Thanks,

 

Sam

 

 

XamGridEditorTest.zip
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