<data:DataGridTemplateColumn x:Name="NumberColumn" Header="Number" MinWidth="50" CanUserSort="False" CanUserReorder="True">
                    <data:DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock x:Name="tblNumber" HorizontalAlignment="Center" VerticalAlignment="Center"
                                       Text="{Binding Value}"/>
                        </DataTemplate>
                    </data:DataGridTemplateColumn.CellTemplate>
                    <data:DataGridTemplateColumn.CellEditingTemplate>
                        <DataTemplate>
                            <TextBox x:Name="tbxNumber" HorizontalAlignment="Stretch" VerticalAlignment="Center"
                                       Text="{Binding Value, Mode=TwoWay}"
                                     MaxLength="{Binding MaxLength}"
                                     IsReadOnly="{Binding IsReadOnly}"/>
                        </DataTemplate>
                    </data:DataGridTemplateColumn.CellEditingTemplate>
                </data:DataGridTemplateColumn>