Binding WPF combobox and displaying its Value to TextBox

Question

Hello friends i want to display data from DB to combobox, DB table has id, investPlan, amount. Now i want to show 'investPln' col in combobox and when user selects any plan then respective amount displays in textBox control. I am able to display 'invetsPlan' rows in comboBox but don't know how to do rest thing. HELP ME!! XAML Part ``` <ComboBox Height="23" Margin="70,72,88,0" Name="comboBox1" VerticalAlignment="Top" DropDownClosed="comboBox1_DropDownClosed" ItemsSource="{Binding}" IsSynchronizedWithCurrentItem="True" SelectedValue="{Binding Path=id}" DisplayMemberPath="fullName" SelectedValuePath="id"/> ``` Code Behind Part ``` private void Window_Loaded(object sender, RoutedEventArgs e) { DataSet1TableAdapters.membersTableAdapter ta = new ComboBoxDB.DataSet1TableAdapters.membersTableAdapter(); comboBox1.ItemsSource = ta.GetData(); } ```

Accepted Answer

You're almost there!

```
<TextBox Text="{Binding ElementName=comboBox1, Path=SelectedItem.amount}" />
```

There you go :)

Binding WPF combobox and displaying its Value to TextBox

Solution

Problem