Binding items From SharePoint List to Combo Box using SilverLight Client Object Model

Note:-

If you want to bind both Value and Text for Combo Box Please select SilverLight Version 4 in order to make selected value property of Combo Box to work. In SilverLight Version3 you will not find the property of selected value for Combo Box.

Ascx

<UserControl x:Class="SilverlightApplication1.MainPage"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"     mc:Ignorable="d"     d:DesignHeight="300" d:DesignWidth="400">     <Grid x:Name="LayoutRoot" Background="White">         <ComboBox Height="37" HorizontalAlignment="Left" Margin="10,10,0,0" Name="ddlBindData" VerticalAlignment="Top" Width="247" DisplayMemberPath="Title" SelectedValuePath="ID" SelectedValue="{Binding Path=ID, Mode=TwoWay}"  />     </Grid> </UserControl>

Ascx.Cs

using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using Microsoft.SharePoint.Client; namespace SilverlightApplication1 {     public partial class MainPage : UserControl     {         public MainPage()         {             InitializeComponent();             ddlBindData.SelectionChanged += new SelectionChangedEventHandler(ddlBindData_SelectionChanged);             getData();         }         void ddlBindData_SelectionChanged(object sender, SelectionChangedEventArgs e)         {             MessageBox.Show(ddlBindData.SelectedValue.ToString());         }         public class NewThoughts         {             public int ID{get;set;}             public string Title{get;set;}         }         private IEnumerable<ListItem> myColl = null;         public void getData()         {             try             {                 ClientContext context = ClientContext.Current;                 Web objWeb = context.Web;                 List lstNewThoughts = objWeb.Lists.GetByTitle("New Ideas");                 CamlQuery strQuery = new CamlQuery();                 strQuery.ViewXml = "<View><Query><OrderBy><FieldRef Name='Title' /></OrderBy></Query></View>";                 var items = lstNewThoughts.GetItems(strQuery);                 context.Load(lstNewThoughts);                 myColl = context.LoadQuery(items.Include(l => l["Title"], l=>l.Id));                 context.ExecuteQueryAsync(OnListItemsLoadSucceeded, OnFailure);             }             catch (Exception Ex)             {                 MessageBox.Show(Ex.ToString());             }         }         private delegate void UpdateUIMethod();         private void OnListItemsLoadSucceeded(object sender, ClientRequestSucceededEventArgs e)         {             UpdateUIMethod updateUI = LoadListItems;             this.Dispatcher.BeginInvoke(updateUI);         }         private void OnFailure(object sender, ClientRequestFailedEventArgs e)         {             MessageBox.Show("Request Failed: " + e.Message + ", Stack Trace:" + e.StackTrace);         }         private void LoadListItems()         {             ddlBindData.Visibility = System.Windows.Visibility.Visible;             List<NewThoughts> lItems = new List<NewThoughts>();             foreach (ListItem item in myColl.ToList())                 lItems.Add(new NewThoughts                 {                     Title = item["Title"].ToString(),                     ID=item.Id,                 });             ddlBindData.ItemsSource = lItems;         }     } }