AutoComplete in Windows Phone 7

Raj Kumar
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This article will display how to use AutoComplete control in Windows Phone 7. AutoComplete is used for when you type something into a textbox a popup window opens with a list of words that begin with the prefix typed into the textbox.

If you are looking for AutoComple in JQuery and Ajax then refer to my previous articles:

AutoComplete using JQuery

Auto Complete in ASP.NET using Ajax

Getting Started

Creating a Windows Phone Application:

Open Visual Studio 2010.
Go to File => New => Project
Select Silverlight for Windows Phone from the Installed templates and choose Windows Phone Application
Enter the Name and choose the location.
Click OK.

Image 1.

First of all add a reference of System.Windows.Control.Input.dll. You will find all DLLs in Silverlight for Windows Phone toolkit.

Let's add a class

Image 2.

Technologies.cs

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Collections.ObjectModel;
using System.ComponentModel;

namespace MCMobile
{
    public class Technologies : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;
        private ObservableCollection<Technology> _listOftechnologies;
        public ObservableCollection<Technology> ListOfTechnologies
        {
            get { return _listOftechnologies; }
            set
            {
                _listOftechnologies = value;
                if (PropertyChanged != null)
                    PropertyChanged(this, new PropertyChangedEventArgs("ListOfTechnologies"));
            }
        }

         public Technologies()
        {
            ListOfTechnologies = new ObservableCollection<Technology>();
            ListOfTechnologies.Add(new Technology() { Name = "C#" });
            ListOfTechnologies.Add(new Technology() { Name = "VB.NET" });
            ListOfTechnologies.Add(new Technology() { Name = "ASP.NET" });
            ListOfTechnologies.Add(new Technology() { Name = "Java" });
            ListOfTechnologies.Add(new Technology() { Name = "Win Forms" });
            ListOfTechnologies.Add(new Technology() { Name = "Web Forms" });
            ListOfTechnologies.Add(new Technology() { Name = "Ajax" });
            ListOfTechnologies.Add(new Technology() { Name = "DirectX" });
            ListOfTechnologies.Add(new Technology() { Name = "Exception Handling" });
            ListOfTechnologies.Add(new Technology() { Name = "HTML" });
            ListOfTechnologies.Add(new Technology() { Name = "JQuery" });
            ListOfTechnologies.Add(new Technology() { Name = "Printing" });
            ListOfTechnologies.Add(new Technology() { Name = "Networking" });
            ListOfTechnologies.Add(new Technology() { Name = "Remoting" });
            ListOfTechnologies.Add(new Technology() { Name = "Project Management" });
            ListOfTechnologies.Add(new Technology() { Name = "Silverlight" });
            ListOfTechnologies.Add(new Technology() { Name = "Sharepoint" });
            ListOfTechnologies.Add(new Technology() { Name = "Threading" });
            ListOfTechnologies.Add(new Technology() { Name = "WPF" });
            ListOfTechnologies.Add(new Technology() { Name = "XNA" });
            ListOfTechnologies.Add(new Technology() { Name = "Testing" });
            ListOfTechnologies.Add(new Technology() { Name = "Cloud Computing" });
            ListOfTechnologies.Add(new Technology() { Name = "Windows Services" });
            ListOfTechnologies.Add(new Technology() { Name = "Web Services" });

}
}

    public class Technology
    {
        public string Name { get; set; }

        public override string ToString()
        {
            return Name;
        }
    }
}

Now drag and drop AutoComplete control on windows phone page. Now add these two references on page.

xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
xmlns:MCMobile="clr-namespace:MCMobile"

<phone:PhoneApplicationPage.Resources>
<MCMobile:Technologies x:Key="Technologies"></MCMobile:Technologies>
</phone:PhoneApplicationPage.Resources>

<Grid x:Name="LayoutRoot" Background="Transparent" DataContext="{StaticResource Technologies}">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

<StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
            <TextBlock x:Name="PageTitle" Text="AutoComplete Sample" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}" FontSize="32"/>
        </StackPanel>

<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
           <toolkit:AutoCompleteBox HorizontalAlignment="Left" Margin="12,76,0,0"
                                     Name="autoCompleteBox1"
                                     VerticalAlignment="Top"
                                     Width="326"
                                     ValueMemberBinding="{Binding Name}"
                                     ItemsSource="{ Binding ListOfTechnologies}" >
                <toolkit:AutoCompleteBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Name}"></TextBlock>
                    </DataTemplate>
                </toolkit:AutoCompleteBox.ItemTemplate>
            </toolkit:AutoCompleteBox>
           <TextBlock Height="30" HorizontalAlignment="Left" Margin="24,6,0,0" Name="textBlock1" Text="Enter technology name" VerticalAlignment="Top" Width="298" />
        </Grid>
    </Grid>