# DataGridControl.CustomUnboundColumnData event

Occurs when the value of an unbound column cell is requested or committed. Set the Value property to provide the value.

```csharp
public event EventHandler<DataGridUnboundColumnDataEventArgs>? CustomUnboundColumnData;
```

## See Also

* class [DataGridUnboundColumnDataEventArgs](../DataGridUnboundColumnDataEventArgs.md)
* class [DataGridControl](../DataGridControl.md)
* namespace [Eremex.AvaloniaUI.Controls.DataGrid](../index.md)

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