项目
11/18/2011

ItemsControl.DisplayMemberPath Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets or sets the name or path of the property that is displayed for each data item.

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

Syntax

'Declaration
Public Property DisplayMemberPath As String

public string DisplayMemberPath { get; set; }

<itemsControl DisplayMemberPath="propertyPath"/>

XAML Values

propertyPath
A CLR property path. For details on the syntax for propertyPath, see Property Path Syntax.

Property Value

Type: System.String
The name or path of the property that is displayed for each the data item in the control. The default is an empty string ("").

Remarks

Dependency property identifier field: DisplayMemberPathProperty

DisplayMemberPath can use a dotted path to reference subproperties of properties. For more information, see Data Binding.

Examples

The following example creates a ListBox, which inherits from ItemsControl, and binds it to a collection of Customer objects. The example sets the DisplayMemberPathProperty to the LastName property of the customer. Therefore, the ListBox displays the following values:

Anderberg
Ashton
Hicks
Pica

<Grid>
    <Grid.Resources>
        <src:Customers x:Key="customers"/>
    </Grid.Resources>
    <ListBox ItemsSource="{StaticResource customers}" Width="250" Margin="0,5,0,10" 
       DisplayMemberPath="LastName"/>
</Grid>

The following example shows the Customer class and the collection that the ListBox is bound to.

Public Class Customer
    Private _firstName As String
    Private _lastName As String
    Private _address As String

    Public Property FirstName() As String
        Get
            Return _firstName
        End Get

        Set(ByVal value As String)
            _firstName = value
        End Set
    End Property

    Public Property LastName() As String
        Get
            Return _lastName
        End Get

        Set(ByVal value As String)
            _lastName = value
        End Set
    End Property

    Public Property Address() As String
        Get
            Return _address
        End Get

        Set(ByVal value As String)
            _address = value
        End Set
    End Property

    Public Sub New(ByVal firstName As String, ByVal lastName As String, ByVal address As String)
        Me.FirstName = firstName
        Me.LastName = lastName
        Me.Address = address
    End Sub

End Class

Public Class Customers
    Inherits ObservableCollection(Of Customer)

    Public Sub New()
        Add(New Customer("Michael", "Anderberg", "12 North Third Street, Apartment 45"))
        Add(New Customer("Chris", "Ashton", "34 West Fifth Street, Apartment 67"))
        Add(New Customer("Cassie", "Hicks", "56 East Seventh Street, Apartment 89"))
        Add(New Customer("Guido", "Pica", "78 South Ninth Street, Apartment 10"))
    End Sub

End Class

public class Customer
{
    public String FirstName { get; set; }
    public String LastName { get; set; }
    public String Address { get; set; }

    public Customer(String firstName, String lastName, String address)
    {
        this.FirstName = firstName;
        this.LastName = lastName;
        this.Address = address;
    }

}

public class Customers : ObservableCollection<Customer>
{
    public Customers()
    {
        Add(new Customer("Michael", "Anderberg",
                "12 North Third Street, Apartment 45"));
        Add(new Customer("Chris", "Ashton",
                "34 West Fifth Street, Apartment 67"));
        Add(new Customer("Cassie", "Hicks",
                "56 East Seventh Street, Apartment 89"));
        Add(new Customer("Guido", "Pica",
                "78 South Ninth Street, Apartment 10"));
    }

}

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Platforms

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

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