Telerik RadExpander in SilverLight 5

Vijay Prativadi
12y
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Introduction

Today, In this article let's play around with another interesting concept of Telerik RadControls.

Question: What is RadExpander?

In simple terms "It is a light-weight control which wraps up the user content acting as a placeholder. It enables navigation when required".

I think we are now good to go and implement this wonderful concept.

Step 1: The complete code of IService1.cs looks like this:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Web;

using System.Text;

namespace WcfRadControls

{// 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]double add(double a, double b);[OperationContract]double sub(double a, double b);[OperationContract]double mul(double a, double b);[OperationContract]double div(double a, double b);}

}

Step 2: The complete code of Service1.svc.cs looks like this:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Web;

using System.Text;

namespace WcfRadControls

{// 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 double add(double a, double b){return a + b;}public double sub(double a, double b){return a - b;}public double mul(double a, double b){return a * b;}public double div(double a, double b){return a / b;} }

}

Step 3: The complete code of Web.Config looks like this:

<?xml version="1.0"?>

<system.web>

</system.web>

<system.serviceModel>

</behavior>

</serviceBehaviors>

</behaviors>

</system.serviceModel>

<system.webServer>

</system.webServer>

</configuration>

Step 4: The complete code of ClientAccessPolicy.xml looks like this:

<?xml version="1.0" encoding="utf-8"?>

<access-policy>

<cross-domain-access>

<allow-from http-request-headers="SOAPAction">

</allow-from>

<grant-to>

</grant-to>

</policy>

</cross-domain-access>

</access-policy>

Step 5: The complete code of MainPage.xaml looks like this:

<UserControl x:Class="RadControlsApp.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"

xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"mc:Ignorable="d" d:DesignWidth="640" d:DesignHeight="480">

<telerik:RadExpander HorizontalAlignment="Center"ExpandDirection="Down"Header="Arthmetic Operations"FontFamily="Verdana"FontSize="15" Margin="92,192,74,23" Width="334" Grid.RowSpan="2">

</StackPanel>

</telerik:RadExpander>

</Grid>

</UserControl>

Step 6: The complete code of MainPage.xaml.cs looks like this:

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 RadControlsApp.ServiceReference1;

using Telerik.Windows.Controls;

namespace RadControlsApp

{
    public partial class MainPage : UserControl
    {
        public MainPage()
        {
            InitializeComponent();
        }
        private void add_Call(object sender, addCompletedEventArgs e)

{

textBlockAdd.Text = "Addition Result is: " + e.Result.ToString();

}
private void sub_Call(object sender, subCompletedEventArgs e)

{

textBlockSub.Text = "Subtraction Result is: " + e.Result.ToString();

}
private void mul_Call(object sender, mulCompletedEventArgs e)

{

textBlockMul.Text = "Multiplication Result is: " + e.Result.ToString();

}
private void div_Call(object sender, divCompletedEventArgs e)

{

textBlockDiv.Text = "Division Result is: " + e.Result.ToString();

}
private void button1_Click(object sender, RoutedEventArgs e)

{

if (string.IsNullOrEmpty(textBox1.Text) || string.IsNullOrEmpty(textBox2.Text))

{

textBlockAdd.Text = "";

textBlockSub.Text = "";

textBlockMul.Text = "";

textBlockDiv.Text = "";

RadWindow.Alert("Please Enter Some Values");

}

else

{

objClient.addCompleted += new EventHandler<addCompletedEventArgs>(add_Call);

objClient.addAsync(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text));

objClient.subCompleted += new EventHandler<subCompletedEventArgs>(sub_Call);

objClient.subAsync(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text));

objClient.mulCompleted += new EventHandler<mulCompletedEventArgs>(mul_Call);

objClient.mulAsync(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text));

objClient.divCompleted += new EventHandler<divCompletedEventArgs>(div_Call);

objClient.divAsync(Convert.ToDouble(textBox1.Text), Convert.ToDouble(textBox2.Text));

textBox1.Text = "";

textBox2.Text = "";

}

#region Instance Variables

Service1Client objClient = new Service1Client();

#endregion

}

Step 7: The output of the application looks like this:

Step 8: The output of the arthmetic operation application looks like this:

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

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