Beginning Web Development, Silverlight, and ASP.NET AJAX

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172 CHAPTER 7 ■ .NET 3.0: WINDOWS COMMUNICATION FOUNDATION Figure 7-6. Viewing the AddressService harness The next thing to do is to create a client that allows you to access this service. You’ll see how to do this in the next section. Creating the Address Service Client To create a service client, you use the svcutil.exe tool that comes with the Windows SDK or as part of the Orcas add-ons to Visual Studio. You’ll find it in the Program Files\ Microsoft Visual Studio 8\Common7\IDE folder. In the service harness of your service, you can see the WSDL file that defines the service interface. In the simplest case, you just pass this as a parameter to svcutil.exe, and two files will be created for you. These are a proxy class and a configuration file. So, from a command prompt, type the following: Svcutil http://localhost:49906/FirstWCF/Service.svcwsdl ■Note Remember to replace the URL with that of the WSDL in your service.
CHAPTER 7 ■ .NET 3.0: WINDOWS COMMUNICATION FOUNDATION 173 CASSINI VS. IIS When you are developing with Visual Studio, if you create your web site or service using the file system, Visual Studio will launch the Cassini web server to allow you to test and debug your application. This will use a random port other than port 80, such as port 49906, as in the example in the “Creating the Address Service Client” section. When following along with the code in this section of this book (as well as any other book where Visual Studio and Cassini are being used), understand that you are likely to have a different port, so your URL will be http://localhost:xxxxx, where xxxxx is the port that was randomly assigned. When you deploy your application to a production web server running IIS, you’ll be using port 80. Remember to update proxies or any references to the correct port. The tool will respond with output like the following: Microsoft (R) Service Model Metadata Tool [Microsoft (R) Windows (R) Communication Foundation, Version 3.0.4506.30] Copyright (c) Microsoft Corporation. All rights reserved. Attempting to download metadata from 'http://localhost:49906/FirstWCF/Service.svcwsdl' using WS-Metadata Exchange or DISCO. Generating files... C:\Program Files\Microsoft Visual Studio 8\VC\AddressService.cs C:\Program Files\Microsoft Visual Studio 8\VC\output.config As you can see, the files are generated in the current directory. You will add them to your new client next. You can use any type of application as a service client as long as you use this configuration information. If you’re building a Windows app, you add the information to your App.config; otherwise you add it to your Web.config. For this example, you’ll build a web client that takes the information back from the WCF service and renders it on a DataGrid. First, create the web application that implements the client using the File – New dialog. You’ll have a basic web application set up containing a Default.aspx page. You’ll need to add a Web.config file to the project. The easiest way to do this is to just run the application in debug mode, and Visual Studio will automatically generate a Web.config file for you. Next, you should copy the two files AddressService.cs and output.config to the directory that the new web site is implemented in, and add them to your project.
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The EXPERT’s VOIce ® in .NET Beg
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Beginning Web Development, Silverli
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Contents About the Author . . . . .
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■CONTENTS ix ■CHAPTER 5 ASP.NET
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■CONTENTS xi ■CHAPTER 11 Ajax A
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■CONTENTS xiii ■CHAPTER 15 Enha
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About the Author ■LAURENCE MORONE
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Introduction This book is aimed at
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PART 1 Building Web Applications
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4 CHAPTER 1 ■ INTRODUCTION TO WEB
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10 CHAPTER 2 ■ BASICS OF WEB DEVE
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38 CHAPTER 3 ■ WEB FORMS WITH ASP
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CHAPTER 4 Data Binding with ASP.NET
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CHAPTER 4 ■ DATA BINDING WITH ASP
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106 CHAPTER 5 ■ ASP.NET WEB SERVI
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234 CHAPTER 10 ■ .NET 3.0: PROGRA
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CHAPTER 11 Ajax Applications and Em
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CHAPTER 11 ■ AJAX APPLICATIONS AN
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CHAPTER 12 AJAX Extensions for ASP.
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CHAPTER 12 ■ AJAX EXTENSIONS FOR
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CHAPTER 13 Ajax Scripts and Service
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CHAPTER 13 ■ AJAX SCRIPTS AND SER
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332 CHAPTER 14 ■ JAVASCRIPT PROGR
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CHAPTER 15 Enhancing the Web Experi
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CHAPTER 15 ■ ENHANCING THE WEB EX
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376 CHAPTER 16 ■ PROGRAMMING SILV
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416 ■INDEX applications. See also
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418 ■INDEX copying web sites, 25
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420 ■INDEX ■H H path language c
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424 ■INDEX Sequential Workflow Co
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