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By default, Excel uses the name Sum of field name or Count of field name when you add summary value fields to a PivotTable. You can change the names to something with more visual appeal using VBA code. Add the Amount field to the Values list in the PivotTable Field List. Change the Count value to Sum in the Value Field Settings dialog box (as shown in Figure 6-21) by clicking the Amount field in the Values list and choosing Value Field Settings from the right-click shortcut menu. Figure 6-22 shows the result of changing the field names.

the proxy code itself as well as a client-side configuration file To do so, simply specify the service s endpoint as the first parameter The /out: flag is used to define the name of the *cs file containing the proxy, while the /config: option specifies the name of the generated client-side *config file: svcutil http://localhost:32469/CarOrderService /out:myProxycs /config:appconfig Assuming your service is currently running, svcutilexe will generate two new files in the working directory If you open the myProxycs file, you will find a client-side representation of the ICarOrder interface, as well as a new class named CarOrderClient, which is the proxy itself This class derives from the generic class, SystemServiceModelClientBase<T>, where T is the registered service interface.

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Often, developers who are accustomed to using the table element for layout will be inclined to create markup with lots of nested <div> tags, effectively replicating their table layouts with the div element. This practice, which has been dubbed divitis, should be avoided. Similarly, be careful about wrapping single elements in <div> tags. This is often done for styling purposes and it is sometimes necessary to create a particular effect but usually it is wasted markup. For example, why do this:

In addition to a number of generated constructors, each method adorned with the [OperationContract] attribute has been implemented to delegate to the parent class s Channels property Here is a partial snapshot of the proxy type: [SystemDiagnosticsDebuggerStepThroughAttribute()] [SystemCodeDomCompilerGeneratedCodeAttribute("SystemServiceModel", "3000")] public partial class CarOrderClient : SystemServiceModelClientBase<ICarOrder>, ICarOrder { .. public int PlaceOrder(string make, string color, double price) { return baseChannelPlaceOrder(make, color, price); } public string CheckOrderStatus(int orderID) { return baseChannelCheckOrderStatus(orderID); } } When you create an instance of the proxy type, the base class will establish a connection to the endpoint using the settings specified in the client-side application configuration file Much like the server-side configuration file, the generated appconfig file contains an <endpoint> element and details regarding the basicHttpBinding used to communicate with the service (check out the generated description within app.

config if you are interested) If you include each file into your client project (and reference the SytemServiceModeldll assembly), you can communicate with your running WCF service quite simply: class Program { static void Main(string[] args) { // Create the proxy and call the members using(CarOrderClient c = new CarOrderClient()) { int orderID = cPlaceOrder("BMW", "Silver", 40303); ConsoleWriteLine(cCheckOrderStatus(orderID)); } ConsoleReadLine(); } } Now, assuming your WCF host is currently running, you can execute the client Figure 28-4 shows the output of the running server window, while Figure 28-5 shows the output of the running client window..

Like any good command-line tool, svcutil.exe provides a great number of options that can be used to control how the client proxy is generated. However, if you do not require these advanced options, you are able to generate the same files using the Visual Studio 2005 IDE. Assuming you have installed the Visual Studio 2005 Orcas Community Technology Preview, you can generate the same files (and have them automatically included into your project) by selecting the Add Service Reference option from the Project menu. As well, a reference to the necessary System. ServiceModel.dll assembly will be set automatically. Once you activate this menu option, you will be prompted to enter the service URI, after which point the service reference name field will be automatically set to the name of the machine hosting the service. You are free to change this value if you wish; however, be aware that this will be the name of the .NET namespace defined within the client namespace to define the proxy types (see Figure 28-6).

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