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POReason for exception - added item does not appear at given index
 

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  1. POReason for exception - added item does not appear at given index
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    <p>I have a <code>ICollectionView</code> in my viewmodel binded to <code>DataGrid</code> in view. When I perform Add/Delete operation. I get this exception.</p> <p>I can't change the <code>CollectionView</code>. Can anyone tell me the reason for this exception so that may be I can find out the solution for this.</p> <p>Exception:</p> <blockquote> <p>"Added item does not appear at given index"</p> </blockquote> <p>Stack Trace:</p> <blockquote> <p>at System.Windows.Data.ListCollectionView.AdjustBefore(NotifyCollectionChangedAction action, Object item, Int32 index) at System.Windows.Data.ListCollectionView.CommitNew() at System.Windows.Controls.DataGrid.CommitRowItem() at System.Windows.Controls.DataGrid.OnExecutedCommitEdit(ExecutedRoutedEventArgs e) at System.Windows.Input.CommandBinding.OnExecuted(Object sender, ExecutedRoutedEventArgs e) at System.Windows.Input.CommandManager.ExecuteCommandBinding(Object sender, ExecutedRoutedEventArgs e, CommandBinding commandBinding) at System.Windows.Input.CommandManager.FindCommandBinding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute) at System.Windows.Input.CommandManager.FindCommandBinding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute) at System.Windows.Input.CommandManager.OnExecuted(Object sender, ExecutedRoutedEventArgs e) at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) at System.Windows.Input.RoutedCommand.ExecuteImpl(Object parameter, IInputElement target, Boolean userInitiated) at System.Windows.Controls.DataGrid.EndEdit(RoutedCommand command, DataGridCell cellContainer, DataGridEditingUnit editingUnit, Boolean exitEditMode) at System.Windows.Controls.DataGrid.OnCurrentCellChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)</p> </blockquote> <p>Thanks</p>
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    1. USjsirr13
    1. USD J
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    1. COYou get what exception? Seems like you lost something along the way.
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    2. CO"added item does not appear at given index" is the exception I get.
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      1. USD J
 

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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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