Microsoft

1
Microsoft ASP.NET

• Presented by
• Joseph J. Sarna Jr.
• JJS Systems, LLC

2
Agenda

• ASP versus ASP.NET
• Web Applications
• Web Services
• Accessing Web Services
• Summary

3
ASP versus ASP.NET
ASP ASP.NET
Scripting language not compiled Compiled code full language support
Blend of HTML and script on one page Code behind page separate VB file
Developer needs to code all server-side actions Server-side controls handle most boiler-plate coding
Debugging difficult Debugging runs in the IDE
ASP and ASP.NET can coexist on the same IIS Server
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Agenda

• ASP versus ASP.NET
• Web Applications
• Web Services
• Accessing Web Services
• Summary

5
Web Applications

• The trend to Internet/Intranet based applications
  requires
• Need for a more robust programming model than ASP
• Need for browser compatibility
• Need for event-driven applications
• Database interaction

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ASP.NET Namespaces - Web

• System.Web Core types that enable browser
  communication
• System.Web.Caching Types that provide
  caching support
• System.Web.Configuration Types that affect the
  configuration of the web application
  configuration file

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ASP.NET Namespaces Security and UI

• System.Web.Security Types that support
  security for a web application
• System.Web.UI Types that provide ability to
  build
• System.Web.UI.WebControls GUI interfaces for a
  web application
• Systems.Web.UI.HTMLControls

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ASP.NET Namespaces Web Services

• System.Web.Services
• System.Web.Services.Discovery
• System.Web.Services.Description
• System.Web.Services.Protocols

• Types that allow the building of Web Services

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Create a Web Application
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Agenda

• ASP versus ASP.NET
• Web Applications
• Web Services
• Accessing Web Services
• Summary

11
Web Services

• Managed code that can be invoked remotely over
  HTTP requests
• Replacement of DCOM
• Provides Black-box functionality to the consumer
  of the web service
• Can be called from a browser-based client,
  console client, or Windows-based client

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Web Service Anatomy

• Invocation protocol HTTP GET, HTTP POST, SOAP
• Description service XML schema used to descibe
  the web service (WSDL Web Services Description
  Language)
• Discovery service XML-based files that allow a
  client to discover the web services exposed
  (.vsdisco)

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Create a Web Service
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Agenda

• ASP versus ASP.NET
• Web Applications
• Web Services
• Accessing Web Services
• Summary

15
Access a Web Service via a Windows Application
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Access a Web Service via a Web Application
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Summary

• ASP versus ASP.NET
• Web Applications
• Web Services
• Accessing Web Services
• Summary

18
New Hampshire Access/Visual Basic User Group

• Meets 4th Wednesday of each month
• Meetings held at Southern New Hampshire
  University
• Link to Information - http//www.jjssystems.net