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Remember, the web service exposes two methods: GetAuthor and GetAuthorTitles. You can review the practice for this lesson to see more on these methods. You now need to create a client webpage to call the service. Remember, this webpage must be in the same domain as the web service. Inside the webpage markup, you add a ScriptManager control. This control should be set to reference the actual web service (ASMX file). The following shows an example of this markup.

<asp:ScriptManager ID="ScriptManager1" runat="server"> <Services> <asp:ServiceReference Path="Authors.asmx" /> </Services> </asp:ScriptManager>

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1 introduces you to ASPNET development To help you better understand ASPNET, I go through the earlier alternatives to ASPNET If you don t have extensive Web development experience, this chapter will be very important 2 introduces managed code and the common language runtime Developing NET applications is very different from developing traditional Win32 applications If you re new to NET development (and virtually everyone is at this point), this chapter will bring you up to speed The bane of many Visual Basic and C++ developers (and especially those who work in both languages) is the lack of common types For Visual Basic developers, the inability to easily get to all the Win32 API is an additional problem The NET Framework, which addresses both of these issues, is covered in 3 In 4, I dig into ASPNET development, showing samples in both Visual Basic .

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The next step would be to add JavaScript functionality to call the web service, passing the user s input. In addition, you need to write a simple callback function that takes the results and displays them to the user. The following code demonstrates this. The user input is inside the TextBoxAuthId, and the results are shown by using LabelResults. Both of these controls are inside a content control of a child page that uses a master page. Therefore, they are referenced as MainContent_ControlName in the JavaScript.

<script type="text/javascript"> function GetAuthor() { var val = document.getElementById("MainContent_TextBoxAuthId"); Authors.GetAuthor(val.value, FinishCallback); }

with network access requirements and that automatically installs the required certificate after the connection to the corporate network is established The instructions in this chapter are cumulative. To reproduce the test lab configura tions detailed in this chapter, you must complete each section in the sequence in which it appears, and you must follow the steps in each section in sequence. Note The following instructions describe configuring a test lab to test the rele vant scenarios. To clearly separate the services provided on the network and to show the desired functionality, you need a minimum of four servers and one cli ent computer. This configuration is neither designed to reflect best practices nor is it designed to reflect a desired or recommended configuration for a pro duction network. The configuration, including IP addresses and all other configu ration parameters, is designed only to work on a separate test lab network.

function FinishCallback(result) { var results = document.getElementById("MainContent_LabelResults"); results.innerHTML = result.FirstName + " " + result.LastName; } </script>

Finally, you need to add the remaining markup to the page. This simply consists of the user input information. The following shows an example of the full MainContent content area control (the ScriptManager markup is repeated for clarity).

NET and C# I show you how to create ASPNET applications in Visual Studio NET Visual Studio NET provides a very convenient environment for developing ASPNET applications, but it is different than developing using simpler tools such as a text editor 5 looks at ASPNET Web Forms At the heart of all ASPNET applications are Web Forms Developers new to ASPNET but experienced with ASP need to know that the development patterns used in ASPNET are different than those used in ASP Visual Basic developers need to understand the many ways that Web Forms differ from the forms they re used to 5 covers these differences 6 introduces you to a new way of developing components In addition to creating user controls, ASPNET developers can create components entirely in the same languages that their Web Forms use.

Let s get started with the basic lab setup, and then we can get into the fine-tuning later. To follow the steps in the chapter, you will need to configure five computers in a specific topology. Each computer in the lab has specific hardware and operat ing system requirements, which are specified in the following subsections.

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