<ThemeableAttribute(False)> _
Public Overridable Property DataMember As String

Dim instance As DataBoundControl
Dim value As String

value = instance.DataMember

instance.DataMember = value

[ThemeableAttribute(false)]
public virtual string DataMember { get; set; }

[ThemeableAttribute(false)]
public:
virtual property String^ DataMember {
    String^ get ();
    void set (String^ value);
}

public function get DataMember () : String
public function set DataMember (value : String)

<asp:DataBoundControl DataMember="String" />