Programming ASP.NET, 3rd Edition

StockTickerComplete

Running the StockTickerComplete example produces the test page shown in Figure 15-10.

Figure 15-10. StockTickerComplete

The complete source code for the code-behind file, App_Code/Service.cs, is listed in Example 15-18. The code is included here to show how all the snippets of code presented fit together.

Example 15-18. Service.cs—StockTickerComplete code-behind file

using System.Web; using System.Web.Services; using System.Web.Services.Protocols; using System; // necesary for String class using System.EnterpriseServices; // necessary for transactions using System.Collections; // necssary for ArrayLists using System.Data; // necessary for DataSet using System.Data.SqlClient; // necessary for DataSet [WebService(Description = "A stock ticker using C#.", Name = "StockTicker", Namespace = "www.LibertyAssociates.com")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1, EmitConformanceClaims = true)] [WebServiceBinding(Name = "OverloadedGetValue", ConformsTo = WsiProfiles.BasicProfile1_1, EmitConformanceClaims = true)] public class Service : System.Web.Services.WebService { // Construct and fill an array of stock symbols and prices. // Note: the stock prices are as of 5/1/05. string[,] stocks = { {"MSFT","Microsoft","25.30"}, {"DELL","Dell Computers","34.83"}, {"HPQ","Hewlett Packard","20.47"}, {"YHOO","Yahoo!","34.50"}, {"GE","General Electric","36.20"}, {"IBM","International ...