Binding in TextBox with DataGrid (WPF)

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I have a TextBox where I get the client id and also have a DataGrid where it has some personal information. Well that's fine, what I can not do is connect the two in the following way:

When I change the value of the TextBox (client id) changing focus, it would have to change the DataGrid data according to the selected client in the TextBox 

<TextBox Text="{Binding ElementName=dataGridTelefones, 
                Path=SelectedItem.id_empresa,
                NotifyOnSourceUpdated=True}" 
         Name="textCodigo" />

<DataGrid AutoGenerateColumns="False" HorizontalAlignment="Left"
          Margin="12,12,0,0" VerticalAlignment="Top"
          ItemsSource="{Binding}" Name="dataGridTelefones" Height="100"
          Canvas.Left="113" Canvas.Top="539"
          Width="938" FontWeight="Normal" GridLinesVisibility="All"
          IsReadOnly="True" IsSynchronizedWithCurrentItem="True">
          <DataGrid.Columns>
              <DataGridTextColumn Binding="{Binding Path=prefixo}"
                                  Header="Prefixo" />
              <DataGridTextColumn Binding="{Binding Path=telefone}"
                                  Header="Telefone" />
              <DataGridTextColumn Binding="{Binding Path=obs}"
                                  Header="Observações" />
          </DataGrid.Columns>
</DataGrid>

Could anyone help me?

    
asked by anonymous 21.05.2015 / 19:21

0 answers

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