Selecting similar XML nodes by a sort criteria
Hi, I have the following XML. I would like to write XSLT which outputs the above XML in an HTML table. This table should be sorted by 'areacode'. <?xml version="1.0" encoding="ISO-8859-1"?> <bookstore> <zipcode> <book areacode='1'> <title lang="eng">Harry Potter</title> <price>29.99</price> </book> <book areacode='2'> <title lang="eng">Learning XML</title> <price>39.95</price> </book> </zipcode> <zipcode> <book areacode='2'> <title lang="eng">Count of Monte Cristo</title> <price>29.99</price> </book> <book areacode='3'> <title lang="eng">Tom Sawyer</title> <price>39.95</price> </book> </zipcode> </bookstore> This part is fine. The problem comes when I try to color the rows in the table so that the rows with the same areacode are the same color and the colors alternate for rows that are not the same area code e.g. I have 2 row colors, gray and blue. This is what the HTML should look like(sorry about the poor HTML markup, this is just for illustration): <html> <body> <table> <tr> <td>Area Code</td> <td>Title</td> </tr> <tr bgcolor='gray'> <td>1</td> <td>Harry Potter</td> </tr> <tr bgcolor='blue'> <td>2</td> <td>Learning XML</td> </tr> <tr bgcolor='blue'> <td>2</td> <td>Count of Monte Cristo</td> </tr> <tr bgcolor='gray'> <td>3</td> <td>Tom Sawyer</td> </tr> </table> </body> </html> What I tried was after doing something like (pseudocode): for-each(areacode) sort(by areacode) ----- write out the html row I need some logic or pseudocode which I can insert in the line marked (-----) so that it would selectively apply the style attribute with the appropriate color with each row. I am hoping that my question is clear enough. But I could also write the full XSLT if that would help. I made up this example, so I don't have the XSLT code for this particular example. Does anyone know of any XSLT or XPath function I could use. I am trying to use the XPath axes preceding-sibling. But its not working for me. Thanks, HC.
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