Creating and Consuming Web Services in Visual Basic (Paperback)

Synchronous Versus Asynchronous Calls. Design Pattern for Asynchronous Method Calls. Calling a Web Service Asynchronously. Using the Callback Function. Using the WaitHandle Methods. Handling Web Pages That Make Asynchronous Calls to WebMethods. Server to Server Asynchronous Communications. Server Web Service. Client Web Service. Console Application. WinForm Application. 9. Stateful Services. Benefits of Maintaining State: Performance and Scalability. Improving Performance. Enhancing Scalability. Facilitating Web Farms. Maintaining State with the Session Object. ASP.NET Session State. In-Process Session State. Out-of-Process Session State. Maintaining State with the Application Object. Maintaining State with the Cache Object. Custom State Management. Managing State as a Web Service. 10. Microsoft SOAP SDK. Using the SOAP Toolkit on the Server. Generating the WSDL and WSML files. Common Edits to the WSDL and WSML Files. Deploying Your SOAP Web Service. Using the SOAP Toolkit on the Client. Using the High-Level Interface. Using the Low-Level Interface. 11. Converting Legacy Applications to Web Services. Adding Web Service Support to COM+ Applications. Reusing an Existing COM Object Within a Web Service. Migrating from Visual Basic 6 to Visual Basic .NET. III. SOLVING REAL-WORLD PROBLEMS. 12. Business to Business XML Web Services. Choosing the Right Technology. Read-Only Access to Data. Write-Only Access to Data. Read/Write Access to Data. Designing the Web Service. Building the JLD Database. Creating the Database Class. Creating the SecurityToken Class. Building the Web Service. Building Elise's Emporium. Creating the Database. Building the Product List Page. Determining Product Availability. 13. Business to Customer XML Web Services. Designing the Database. Designing the Application. Referencing the External Web Service. Creating the List Window. Adding the List Window Code. Designing the Stock Editing Window. 14. Platform Integration. Assembling the Tools. Building the Web Services. Adding the Database Class. Creating the Products Service. Creating the Customers Service. Creating the Orders Service. Building the Mobile Application. Creating the Main Menu. Creating the Customer Viewer. Creating the Order Viewer. Creating the Product Catalog. 15. Portals. Designing the Database. Configuring the Application. Adding the Business Objects. Creating the Web User Controls. Building the Web Pages. Creating the Login Page. Creating the Profile Editor. Writing the Portal Page. Building the Log Out Page. 16. Profiting From Your Web Services. Creating Services that Fill a Need. Decreasing Business Costs. Revenue Models. Flat-Fee Access. Volume-Based Access Fee. Creative Use of the Advertising Model. A Middleman Model. Marketing the Web Service. APPENDIXES. Appendix A. Additional Resources. XML General. General .NET Information. General Web Service Information. SOAP/XML Protocol. Remoting. UDDI. WSDL. Transactions. Tools. Security. ebXML. Sample Web Service. Appendix B. Installing Visual InterDev. Installing the Client Components. Installing the Microsoft Visual InterDev Client. Installing the Image Composer. Installing the Music Producer. Appendix C. Visual InterDev Architecture Components Overview. Development Architecture. Testing Architecture. Deployment Architecture. Index. 0672321564T06072002