How to find its owner DataGrid and DataGridRow from DataGridCell in WPF?

wpf datagrid relationship
newman picture newman · Oct 6, 2010 · Viewed 12.5k times · Source

In an event handler for a Command for a DataGrid, I get DataGridCell in ExecutedRoutedEventArgs. However, I couldn't figure out how to get its associated DataGrid and DataGridRow. Your help is much appreciated.

Answer

JerKimball picture JerKimball · Nov 14, 2012

You probably want to set some sort of RelativeSource binding that can get you the "parent grid/row" via a {RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}, but your question got me thinking...

You could:

Use Reflection:

var gridCell = ....;
var parentRow = gridCell
         .GetType()
         .GetProperty("RowOwner", 
               BindingFlags.NonPublic | BindingFlags.Instance)
         .GetValue(null) as DataGridRow;

Use the VisualTreeHelper:

var gridCell = ...;
var parent = VisualTreeHelper.GetParent(gridCell);
while(parent != null && parent.GetType() != typeof(DataGridRow))
{
    parent = VisualTreeHelper.GetParent(parent);
}

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