Beginning Web Development, Silverlight, and ASP.NET AJAX

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228 CHAPTER 9 ■ .NET 3.0: WINDOWS WORKFLOW FOUNDATION 9. You’ll see that the WebServiceInput and WebServiceOutput activities are no longer showing any errors. However, you still need to perform one more step—the conversion of centigrade to Fahrenheit, which you do by adding a new Code activity between the existing activities (see Figure 9-17). Figure 9-17. Adding a Code activity between the input and the output 10. Generate an ExecuteCode handler using the Properties dialog, and the IDE will generate the code handler, wire it up to the workflow, and then open the code window. Edit the handler so that it reads like this: private void codeActivity1_ExecuteCode(object sender, EventArgs e) { _fahrenheit = 32 + ((9 * _centigrade) / 5); } The environment is taking the burden of mapping the input from the web service caller to _centigrade, and mapping _fahrenheit to the output that is sent back to the caller. This function derives one from the other using the standard centigradeto-Fahrenheit formula. 11. The next step is to publish this library as a web service. You do this by selecting the project in the Solution Explorer, right-clicking, and selecting Publish as Web Service from the context menu (see Figure 9-18).
CHAPTER 9 ■ .NET 3.0: WINDOWS WORKFLOW FOUNDATION 229 Figure 9-18. Publishing a workflow as a web service 12. Should all go according to plan, you’ll have a new web site created within your solution. This site will contain the compiled workflow (CToFService.dll) and a web service that invokes it called CTOFService.Workflow1_WebService.asmx. Right-click this service and click View in Browser. The browser will launch and show the standard Web Services test harness (see Figure 9-19). Figure 9-19. Running the workflow as a web service
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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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CHAPTER 6 Deploying Your Web Site I
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CHAPTER 6 ■ DEPLOYING YOUR WEB SI
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CHAPTER 7 .NET 3.0: Windows Communi
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CHAPTER 7 ■ .NET 3.0: WINDOWS COM
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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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422 ■INDEX object orientation, 16
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424 ■INDEX Sequential Workflow Co
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Beginning Web Development, Silverlight, and ASP.NET AJAX

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