How to binding the Description and ID of the combobox to a class

Question

I want to bind the description and id to a class on WPF

Answer 1

The ComboBox has no Description property.  It also has no ID property so your question (like the other) is confusing and hard to help.

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Lloyd Sheen

Answer 2

Bind the SelectedItem property to a source property and access the id and description of the object returned by this source property. Please refer to the following sample code which should give you the idea:

        <ComboBox ItemsSource="{Binding Items}" DisplayMemberPath="Description" SelectedItem="{Binding SelectedItem}" />

        <TextBlock Text="{Binding SelectedItem.Id}" />
        <TextBlock Text="{Binding SelectedItem.Description}" />

       

    public class MyItem
    {
        public string Id { get; set; }
        public string Description { get; set; }
    }

public partial class MainWindow : Window, INotifyPropertyChanged
    {
        public MainWindow()
        {
            InitializeComponent();
            DataContext = this;
            Items = new List<MyItem>() { new MyItem() { Id = "1", Description = "desc1" }, new MyItem() { Id = "2", Description = "desc1" } };
        }

        public IEnumerable<MyItem> Items { get; set; }

        private MyItem _selectedItem;
        public MyItem SelectedItem
        {
            get { return _selectedItem; }
            set { _selectedItem = value; NotifyPropertyChanged(); }
        }

        public event PropertyChangedEventHandler PropertyChanged;
        private void NotifyPropertyChanged([CallerMemberName] String propertyName = "")
        {
            if (PropertyChanged != null)
                PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
}

Hope that helps.

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