Transcript Document
ASP.NET and W3C Compliance Presented by Paul Turner [email protected] Overview • What is W3C? • How does it effect developers? • ASP.NET (1.1) compliance • ASP.NET (2.0) compliance What is the W3C? • World Wide Web Consortium (W3C) • Standards organisation • Over 350 Members – BEA, Microsoft, SUN, AT&T, AOL, CERN, Cisco, CSIRO, EDS, Fijitsu, Google, HP, IBM, Intel, Oracle, Sony… “W3C Members take a leadership role in the future of the Web, promote their image as an innovator participating in a standards body international in mission and impact, and gain early insight into market trends (thus reducing the risk of missing them)” What is the W3C? • The W3C has ‘shaped’ the core web technologies • Provide implementations – Jigsaw (Web Server) – Libwww (Web Server Library) – HTML Tidy (HTML compliance tool) – Amaya (Web Browser) So what? • Ensures that basic ‘rules’ are followed • Compatibility – ‘Rendering’ of HTML and CSS in a consistent manner on all platforms • Interoperability – SOAP, XML and Web Services… • NOT related to implementations – IE, Firefox, Mozilla etc… How does it effect developers? • HTML compliance – HTML – XHMTL • Accessibility compliance – Priority 1 – Priority 2 – Priority 3 • CSS compliance • More… XML, XPath, SOAP, URI, HTTP… HTML Compliance • Sets the standards for HTML – Ensures that software* interprets HTML correctly – Strongly related to the HTTP standard (the transport) • Provides online validators * Web browsers are just one type Demo • HTML Validator – http://validator.w3.org/ Accessibility Compliance • Web Accessibility Initiative (WAI) – About providing access to the internet to disabled people – Provides standards for an electronic interpretation of a page – Screen readers for the blind – A, AA and AAA priority requirement – Also means you tend to have really good HTML… Demo • WCAG validator – http://webxact.watchfire.com/ CSS Compliance • Ensures that common styles are applied • Keeps a consistent look between browsers • Provides online validators Demo • CSS Validator – http://jigsaw.w3.org/css-validator/ ASP.NET (1.1) Compliance • Hard work • Don’t take on the task lightly! • Some built in controls don’t generate ‘Well Formed’ HTML <B>Hello <I>World</B> No end tag… <B>Hello <I>World</B></I> Overlapping tags… <TABLE ID=“Table1”>…</TABLE> . <TABLE ID=“Table1”>…</TABLE> Reused ID’s Demo • Tag reuse ASP.NET (1.1) Compliance • IDE Settings – HTML Editor – Formatting of attributes Demo • Editor Settings • Schema Settings ASP.NET (2.0) Compliance • ‘Check Page for Accessibility’ • HTML validation options – XHTML – HTML 4.01 – IE, Netscape etc… • Server controls versus HTML controls Demo • Visual Studio 2005 Summary • WC3 – http://www.w3.org • HTML – http://validator.w3.org/ • WCAG – http://webxact.watchfire.com/ • CSS – http://jigsaw.w3.org/css-validator/ • Visual Studio Editor Settings • Visual Studio 2005 Questions?