ASP.NET PDF Viewer using C#, VB/NET

type GreetingService() = class interface IGreetingService with member x.Greet( name ) = f name end end let myServiceHost = let baseAddress = new Uri("http://localhost:8080/service") let temp = new ServiceHost((type GreetingService), [|baseAddress|]) let binding = let temp = new WSHttpBinding(Name = "binding1", HostNameComparisonMode = HostNameComparisonMode.StrongWildcard, TransactionFlow = false) temp.Security.Mode <- SecurityMode.Message temp.ReliableSession.Enabled <- false temp temp.AddServiceEndpoint((type IGreetingService), binding, baseAddress) |> ignore temp myServiceHost.Open() Notice that in Listing 10-12 the IGreetingService and GreetingService types are pretty much unchanged from Listing 10-8, except that the GreetingService type has been modified to use a mutable function so you can manipulate what it does at runtime. You then need to create a service host to do what the web server and web.config did in the previous example. The web.config is shown in Listing 10-9, and the service itself is shown in Listing 10-8. Note that myServiceHost contains a baseAddress, which the service will listen for a request on, and a binding, which controls which protocols are used. Finally, you call the myServiceHost s Open method to set the service listening. Then you make an alteration to the client to call the service repeatedly, shown in Listing 10-13, so you can see the service results change overtime. Listing 10-13. A Client to Access the Service Hosted in F# Interactive #light using (new GreetingServiceClient()) (fun client -> while true do print_endline (client.Greet("Rob")) read_line() |> ignore) You also need to alter the client s .config file to point to the correct address: <endpoint address="http://localhost:8080/service"

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It is widely expected that the next generation of developer environments will feature improved support for JavaScript, and other Ajax-related technologies will further ease the burden on developers Scripts and frameworks are being introduced regularly that also make development simpler..

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</member> <member name="T:AnotherProg"> </member> </members> </doc> If no signature file exists for the module file, then the doc comments are taken directly from the module file itself. However, if a signature file exists, then doc comments come from the signature file. This means that even if doc comments exist in the module file, they will not be included in the resulting XML or HTML if the compiler is given a signature file for it.

Now that we ve piqued your interest, it s important to know when you should and when you shouldn t use Ajax techniques. First, don t be afraid to try an approach on your applications. We believe almost every Web application can benefit from Ajax techniques; just don t go overboard until you have a good feel for where it makes sense. Validation is a perfect place to start, but don t limit yourself. Though you certainly can post data using Ajax, it probably shouldn t be the primary approach. Second, browser issues are the only factor that should slow you down in your implementation of Ajax. If a large number of your users (or if particularly important users) are still using older browsers anything before Internet Explorer 5, Safari 1.2, or Mozilla 1.0 these techniques won t work. If this is an important class of users, you will need to use cross-browser alternatives that work for your target audience, forgo Ajax altogether, or develop a site that will degrade gracefully. Browser support probably isn t a significant factor, because Netscape Navigator 4 usage is fractional; however, you should consult your Web logs to see what applies to your applications. As we ve stated, validation and form population are prime candidates for Ajax. You can also make truly dynamic portal sites using the DOM s drag technique shown in Google s personalized home page (see Figure 1-9).