[xsl] Sort on multiple elements

Subject: [xsl] Sort on multiple elements
From: Jitu <jibhatia@xxxxxxxxxxx>
Date: Fri, 23 Aug 2002 18:45:56 +0530
Hi

i can use multiple xsl:sort statements, to sort on many elements.
But my problem is i do not know in advance, how many levels of sorting is required.


For example :
<employees>
   <employee>
       <firstname>John<firstname>
       <lastname>Vinegar</lastname>
       <age>25</age>
       <salary>25000</salary>
   </employee>
   <employee>
       <firstname>Jim<firstname>
       <lastname>Vander</lastname>
       <age>27</age>
       <salary>15000</salary>
   </employee>
   <employee>
       <firstname>Joshua<firstname>
       <lastname>Raspberry</lastname>
       <age>35</age>
       <salary>24000</salary>
   </employee>
   <employee>
       <firstname>Norman<firstname>
       <lastname>Wolf</lastname>
       <age>45</age>
       <salary>75000</salary>
   </employee>
</employees>

I may want to sort
by lastname
OR
by lastname,firstname (sort first by lastname and within it sort by firstname)
OR
by salary, age, lastname (sort by salary and within it sort by age and within that sort by lastname)


This fact i do not know in advance therefore i cannot hardcode it into my xsl. In other words i cannot write a fixed number of xsl:sort statements.

Your valuable inputs pls....



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