MSDN Library

DataGrid.SelectionMode Property

Gets or sets the selection behavior of the data grid.

Namespace:  System.Windows.Controls
Assembly:  System.Windows.Controls.Data (in System.Windows.Controls.Data.dll)

public DataGridSelectionMode SelectionMode { get; set; }
<sdk:DataGrid SelectionMode="dataGridSelectionModeValue"/>

XAML Values


A named constant of the DataGridSelectionMode enumeration, such as Extended.

Property Value

Type: System.Windows.Controls.DataGridSelectionMode
One of the enumeration values specifying the selection behavior. The default is Extended.

Dependency property identifier field: SelectionModeProperty

Set the SelectionMode to specify whether users can select multiple rows or only a single row at a time.

The following code example demonstrates how to set the SelectionMode property in code. This example is part of a larger example available in the Walkthrough: Customizing the DataGrid Control Using Properties topic.

private void cbSelectionMode_Changed(object sender, RoutedEventArgs e)
    CheckBox cb = sender as CheckBox;
    if (this.dataGrid1 != null)
        if (cb.IsChecked == true)
            this.dataGrid1.SelectionMode = DataGridSelectionMode.Single;
        else if (cb.IsChecked == false)
            this.dataGrid1.SelectionMode = DataGridSelectionMode.Extended;


Supported in: 5, 4, 3

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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