Code For Search Task in Windows Phone 7 Via WCF Service

Introduction

Question Arises: What is a Search Task?

This task allows a user to search specifically for a requested query with matching keywords over Windows Phone 7.

So, let's get it started!!!

The Complete Code of IService1.cs looks like this.

Code:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Web;

using System.Text;
namespace WCF_Search_Application

{

// NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService1" in both code and config file together.

[ServiceContract]

public interface IService1

{

[OperationContract]

string Search(string a);
}
}

The Complete Code of Service1.svc.cs looks like this.

Code:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Web;

using System.Text;
namespace WCF_Search_Application

{
// NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.

public class Service1 : IService1

{
public string Search(string a)

{

return "" + a;

}

}
}

The Complete Code of Web.Config looks like this.

Code:

<?xml version="1.0"?>

</system.web>

<system.serviceModel>

<!-- To receive exception details in faults for debugging purposes, set the value below to true.

Set to false before deployment to avoid disclosing exception information -->

</behavior>

</serviceBehaviors>

</behaviors>

</system.serviceModel>

<system.webServer>

</system.webServer>
</configuration>

The Complete Code of MainPage.xaml looks like this.

Code:

<phone:PhoneApplicationPage
x:Class="Search_Task.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
FontSize="{StaticResource PhoneFontSizeNormal}"
Foreground="{StaticResource PhoneForegroundBrush}"
SupportedOrientations="Portrait" Orientation="Portrait"
shell:SystemTray.IsVisible="True">

<Grid x:Name="LayoutRoot" Background="Transparent">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>

<StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
<TextBlock x:Name="ApplicationTitle" Text="Vijay's Search Task Application" FontFamily="Verdana" FontSize="22" Style="{StaticResource PhoneTextNormalStyle}"/>
<TextBlock x:Name="PageTitle" Text="Windows 7 Phone" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
</StackPanel>

<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
<TextBox Height="72" HorizontalAlignment="Left" Margin="216,25,0,0" Name="textBox1" VerticalAlignment="Top" Width="240" />
<Button Content="Search Now" FontFamily="Verdana" FontSize="22" Height="72" HorizontalAlignment="Left" Margin="155,103,0,0"
Name="button1" VerticalAlignment="Top"Width="186" Click="button1_Click" />
<TextBlock Height="30" HorizontalAlignment="Left" Margin="16,47,0,0" Name="textBlock1" Text="Enter Query Here"
FontFamily="Verdana" FontSize="22" VerticalAlignment="Top" />
<TextBlock Height="30" FontFamily="Verdana" FontSize="22" HorizontalAlignment="Left" Margin="137,229,0,0" Name="textBlock2" Foreground="Red" VerticalAlignment="Top" />
</Grid>
</Grid>
</phone:PhoneApplicationPage>

The Complete Code of MainPage.xaml.cs looks like this.

Code:

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.Phone.Controls;

using Microsoft.Phone.Tasks;

using Search_Task.ServiceReference1;
namespace Search_Task

{
public partial class MainPage : PhoneApplicationPage
{

// Constructor

public MainPage()

{

InitializeComponent();

}
static void SearchCall(object sender, SearchCompletedEventArgs e)

{

SearchTask objSearchTask = new SearchTask();

objSearchTask.SearchQuery = e.Result;

objSearchTask.Show();
}
private void button1_Click(object sender, RoutedEventArgs e)

{

if (string.IsNullOrEmpty(textBox1.Text))

{

textBlock2.Text = "Please Enter Query";

}

else

{

Service1Client objClient = new Service1Client();

objClient.SearchCompleted += new EventHandler<SearchCompletedEventArgs>(SearchCall);

objClient.SearchAsync(textBox1.Text);
}
}
}
}

The Output of the Application looks like this:

The Searched Task Output Application looks like this:

The Nothing Entered Output Application looks like this:

I hope this article is useful for you. I look forward for your comments and feedback. Thanks Vijay Prativadi.