What are the various basic steps to make a simple Silver Light application?

 Posted by ArticlesMaint on 9/19/2009 | Category: Silverlight Interview questions | Views: 2699

This sample we are making using VS 2008 web express edition and .NET 3.5. It’s a 6 step procedure to run our first silver light application. So let’s go through it step by step.

The first thing we need to do is install silverlight SDK kit from http://www.microsoft.com/downloads/details.aspx?familyid=FB7900DB-4380-4B0F-BB95-0BAEC714EE17&displaylang=en 

Step 2:- Once you install the silver light SDK you should be able to use the silver light template. So when you go to create a new project you will see a ‘SilverLight application’ template as shown in the below figure.

Step 3 :- Once you click ok you will see a dialog box as shown below which has three options.

Add a ASP.NET web project to the solution to host silver light: - This option is the default option, and it will create a new Web application project that is configured to host and run your Silverlight application. If you are creating a new silver light application then this is the option to go.

Automatically generate Test Page To Host Silverlight at build time: - This option will create a new page at run time every time you try to debug and test your application. If you want to only concentrate on your silver light application then this option is worth looking at.

Link This Silverlight Control Into An Existing Web Site :- If you have a existing silver light application then this option helps to link the silver light application with the existing web application project. You will not see this option enabled to new projects , you need to have an existing web application.

For this example we have selected the first option. Once you click ok you should see the full IDE environment for silver light.

So let’s run through some basic points regarding the IDE view what we see. You will see there are two projects one is your web application and the other is the silver light application. In the silver light application we two XAML files one is App.XAML and the other is Page.XAML.
App.XAML has the global level information.

Step 4:- Now for simplicity sake we just use the TextBlock tag to display a text. You can see as we type in the Page.XAML its displayed in the viewer.


Step 5 :- Now we need to consume the silver light application in a ASPX page. So in the HTML / ASPX page we need to first refer the silver light name space using the ‘Register’ attribute.


<%@Register Assembly="System.Web.Silverlight" Namespace="System.Web.UI.SilverlightControls" TagPrefix="asp" %>

We also need to refer the script manager from the silver light name space. The script manager control is functionality from AJAX. The main purpose of this control is to manage the download and referencing of JavaScript libraries.

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

Finally we need to refer the silver light application. You can see that in the source we have referred to the XAP file. XAP file is nothing but a compiled silver light application which is compressed and ZIP. It basically has all the files that’s needed for the application in a compressed format. If you rename the file to ZIP extension you can open the same using WINZIP.

<asp:Silverlight ID="Xaml1" runat="server" Source="~/ClientBin/MyFirstSilverLightApplication.xap" MinimumVersion="2.0.31005.0" Width="100%" Height="100%" />

So your final ASPX / HTML code consuming the silver light application looks something as shown below.

<%@ Page Language="C#" AutoEventWireup="true" %>

<%@ Register Assembly="System.Web.Silverlight" Namespace="System.Web.UI.SilverlightControls"
TagPrefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" style="height:100%;">
<head runat="server">
<body style="height:100%;margin:0;">
<form id="form1" runat="server" style="height:100%;">
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<div style="height:100%;">
<asp:Silverlight ID="Xaml1" runat="server" Source="~/ClientBin/MyFirstSilverLightApplication.xap"
MinimumVersion="2.0.31005.0" Width="100%" Height="100%" />


Step 6 :- So finally set the web application as start up and also set this page as start up and run it. You should be pleased to see your first silver light application running.

Asked In: Many Interviews | Alert Moderator 

Comments or Responses

Login to post response