<DataGrid Name="GridLista"
                     Grid.ColumnSpan="20"
                     Margin="5"
                     Grid.RowSpan="17"
                     Grid.Row="3"
                     CanUserAddRows="False"
                     CanUserReorderColumns="True"
                     AutoGenerateColumns="False"
                     SelectionUnit="FullRow"
                     SelectionMode="Extended"
                     ItemsSource="{Binding Path=Lista}"
                     SelectedValue="{Binding Path=Model, Mode = TwoWay}"
                     IsReadOnly="True"
              >
                    <DataGrid.Columns>
                        <DataGridTextColumn Width="0.1*" Binding="{Binding Codigo}" Header="Código"/>
                        <DataGridTextColumn Width="0.9*" Binding="{Binding Nome}" Header="Nome Operador"/>
                    </DataGrid.Columns>
                </DataGrid>

<TextBox Name="textOperadorNome" Text = "{Binding Model.Nome, Mode = TwoWay, UpdateSourceTrigger=PropertyChanged}" CharacterCasing="Upper" Margin="5" Grid.ColumnSpan="8"  Grid.Row="2" Padding="0" VerticalContentAlignment="Center" Grid.Column="4"/>