我创建的参数不起作用 usercontrol wpf

Question

 <Border Grid.Row="0"  Height="auto" x:Name="BorderEcs" Background="#9494a5"   BorderThickness="1,0,1,1" BorderBrush="#9494a5"  CornerRadius="10,10,0,0">

        <StackPanel Height="auto">

            <Label x:Name="LblTitl" Content="" Margin="5,0,0,0" Height="auto"  Foreground="#FFFFFF" FontFamily="Century Gothic" FontSize="13" />

            <DataGrid  Width="{Binding ControlWidth, RelativeSource={RelativeSource Self},Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" 

                       Height="{Binding ControlHeight, RelativeSource={RelativeSource Self},Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"           

                           CellStyle="{StaticResource DataGridContentCellCentering}"

                           RowStyle="{StaticResource RowStyle}" 

                           ColumnHeaderStyle="{StaticResource ColumnHeaderStyle}" 

                           Style="{StaticResource DataGridStyle}"  

                           AlternatingRowBackground="White" 

                           AlternationCount="2">

            </DataGrid>

        </StackPanel>

{ 公共部分类 UCDataGrid : UserControl,INotifyPropertyChanged { public UCDataGrid() { InitializeComponent(); 数据上下文 = 这个；public static DependencyProperty ControlHeightProperty = DependencyProperty.Register("ControlHeight", typeof(int), typeof(UCDataGrid));

    public static  DependencyProperty ControlWidthProperty =

        DependencyProperty.Register("ControlWidth", typeof(int), typeof(UCDataGrid));

    public event PropertyChangedEventHandler PropertyChanged;

    public int ControlHeight

    {

        get { return (int)GetValue(ControlHeightProperty); }

        set { SetValue(ControlHeightProperty, value);

            OnProperyChanged("ControlHeight");

        }

    }

    public int ControlWidth

    {

        get { return (int)GetValue(ControlWidthProperty); }

        set { SetValue(ControlWidthProperty, value); OnProperyChanged("ControlWidth"); }

    }