Displaying and Using XML n There are simple

Displaying and Using XML n There are simple ways to use or display XML ¨ CSS stylesheets ¨ Data Source Objects ¨ DHTML & Data Islands n In later lessons we will see more powerful mechanisms ¨ Document Object Model (DOM) programming ¨ XSL transforms

XML Stylesheets n Stylesheets can be applied to an XML data file with a processing instruction Once upon a time a wicked queen tried to get rid of her pretty step-daughter, Snow White.

CSS Stylesheet selector CHAPTER, TITLE, PARA {display: block; } TITLE character CHAPTER style definition {font-weight: bold; } {font-style: italic; } {margin: 0. 2 in 0. 5 in; border: 2 pt solid red; padding: 0. 1 in; }

CSS Stylesheets n Selectors ¨ element name ¨ list of elements ¨ context title, para, chapter title book title author name title

CSS Stylesheets n Common declarations font-family: Arial display: block font-size: 32 pt margin: 12 pt font-style: italic 12 pt; font-weight: bold border: 0. 1 in solid red; line-height: 14 pt padding: 0. 1 in color: green background-color: yellow text-align: center text-transform: uppercase text-indent: 3 em 0. 1 in;

CSS Stylesheets n Pros ¨ simple ¨ good n for documents Cons ¨ unable to add to or change documents ¨ bad for data n CSS 2 addresses some of the cons

XML Data Source Objects n The XML DSO binds HTML tables to an XML data set. n The table contents display the elements in the XML data.

XML Data Source Objects n In Internet Explorer use the element to create a "data island. " ¨ XML data can be included within the HTML or it can be in an external file. Les Carr 36 6' 2" internal external

XML Data Source Objects n Use the ID attribute of the tag to reference the data island. n Bind the HTML table to the XML data island. My Database