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Hi,
> if i use
> <xsl:value-of select="count(//b_id)"/>
> i get result 2
> but i would like to count upon the att ID in <b_id>.
>
> so that i get a count for id=1 within <b_id> 1
> and count for id=3 within <b_id> 2
>
> I guess XPath doesn't support this. is there anyother solution (without
> using any script language).
So you want to group the nodes by ID and then return the count?
For suitably large values of XPath this is possible - XPath 2.0 will do
the trick easily:
for $id in distinct-values(//b_id/@id)
return
($id, count(//b_id[@id=$id]))
Martin
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