XSLT 1.0: Sorting by concating portions of date string

Question

I\'m trying to take XML data and sort elements by their data attribute. Unfortunately the dates come over in mm/dd/yyyy format and are not static lengths. (Jan = 1 instead of

Answer 1

You can use multiple xsl:sort instructions like in this stylesheet:

Output:

Update from comments

What I'm trying to do is in that stylesheet perform the sort as you've done and then export out the promotionid of the item with startdate '2/19/2011' in this case. I assumed it would be something like but I either am using it in the wrong place or have the statement wrong

Update 3: Now with new selecting data conditions

Use the "standard" maximum idiom. This stylesheet:

Output:

64636