ListControl.SelectedValue Property

 

Gets or sets the value of the member property specified by the ValueMember property.

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

<BrowsableAttribute(False)>
<BindableAttribute(True)>
Public Property SelectedValue As Object

Property Value

Type: System.Object

An object containing the value of the member of the data source specified by the ValueMember property.

Exception Condition
InvalidOperationException

The assigned value is null or the empty string ("").

If a property is not specified in ValueMember, SelectedValue returns the results of the ToString method of the object.

SelectedIndex, SelectedValue, and FormattingEnabled are related as follows:

The following code example shows the SelectedValue returning the value of the property specified by the ValueMember property. This code is an excerpt from the example shown in the ListControl class overview. See ListControl for the whole code listing.

    Private Sub ListBox1_SelectedValueChanged(ByVal sender As Object, ByVal e As EventArgs)
        If ListBox1.SelectedIndex <> -1 Then
            textBox1.Text = ListBox1.SelectedValue.ToString()
            ' If we also wanted to get the displayed text we could use
            ' the SelectedItem item property:
            ' Dim s = CType(ListBox1.SelectedItem, USState).LongName
        End If
    End Sub 'ListBox1_SelectedValueChanged
End Class 'ListBoxSample3

.NET Framework
Available since 1.1
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