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ASP.NET Web Forms and Web Services
Mike Taulty Developer & Platform Group Microsoft Ltd
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Agenda Architectural Overview Web Services Web Forms
How ASP.NET works to handle HTTP requests Web Services Web Forms
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Serving up HTTP Internet Information Server
Worker Process Worker Process ASP.NET ISAPI CLR Application Domain WWW Service Config Mgr Process Mgr INETINFO metabase ISAPI Extension ISAPI Filter Configure/Monitor HTTP.sys
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ASP.NET Bridging IIS to the world of .NET code
ASP.NET ISAPI HttpHandler Web Services (.asmx) Web Pages (.aspx) Web Controls (.ascx) Custom (.?) Config HttpModule HTTP.sys
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Writing Http Handlers
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Agenda Architectural Overview Web Services Web Forms
How ASP.NET works to handle HTTP requests Web Services Web Forms
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Distributed Web Services
Them Platform Data Representation Programming languages Protocols Description Discovery Discovery Description Packaging Data Protocol UDDI WSDL SOAP XML HTTP Us
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Core Technologies SOAP <Envelope> <Header>
<ExtraInfo/> </Header> <Body> <Customer name=‘Mike’/> </Body> </Envelope>
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Core Technologies WSDL <types…/> <message name=‘AddMsg’…/>
<portType name=‘Calculator’> <operation name=‘Add’> <input message=‘AddMsg’> <output…> </operation> </portType> <binding…/> <service…/>
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ASP.NET Web Services Declarative model - .NET attributes control working .NET class methods exposed over web service protocols Key attributes WebMethod, WebService Developer writes an .ASMX file for a service which points to the class providing implementation Xml Serialization XML->Parameters->Return Values->XML SOAP messages automatically populated WSDL documents automatically created Tools for generating web service proxies
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Creating and consuming ASP.NET Web Services
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ASP.NET Web Services Delivering Xml messages to .NET class methods
ASP.NET ASMX Web Service Handler Web Service Class Web Method A Web Method B Web Method C First time compilation ASMX File Route to Method Invoke Method Return results After Xml serialization Before Xml serialization After Xml deserialization Before Xml deserialization Config Soap Extension
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Agenda Architectural Overview Web Services Web Forms
How ASP.NET works to handle HTTP requests Web Services Web Forms
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ASP.NET Server controls encapsulate behaviour
Provide VB-Like Model Support compiled languages VB, C#, JScript, COBOL, etc. Enable separation of code from content Developers and designers can work independently Support multiple clients automatically Rich DHTML, HTML 3.2, etc… Mobile controls for small devices
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ASP.NET Page Execution Cycle
<html> <body> <form method="post" runat=server> Name: <asp:textbox runat=server/> </form> </body> </html> .ASPX Page LiteralControl Page TextBox HtmlForm Request.aspx Code Behind Control <html> </html> Generate Code Assembly Page txt form Compile (VB/C#) HTTP.sys
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ASP.NET Page Execution Cycle
Assembly Page Ctl1 Ctl2 Changed? Re-use Cached? HTTP.sys Request.aspx
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ASP.NET Web Forms
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ASP.NET Application Services
Application & Session State Session state storage choice Caching Flexible data cache Parameterised output caching for pages and controls Data Binding Diagnostics Applicaton & Page Level tracing system Performance monitor counters Security Authentication and Authorization Configuration System
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Resources Web Services Web Forms http://msdn.microsoft.com/webservices
Understanding web services specifications Web Services Enhancements 2.0 Web Forms
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© 2004 Microsoft Limited. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
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