Wendell Piez wrote:
At 06:03 PM 3/24/2009, Mike wrote:
> .... but if I do this:
>
> <xsl:for-each
> select="Placemark/ExtendedData/Data[(_at_)name='rdb_status' and
> value='Endangered']">
>
> I get no error, but also no data returned -even though there
> are matching values.
You haven't shown what you are doing inside the for-each - perhaps
that's
where your error is.
How do you know you have now matched the values? What do you get for
count(Placemark/ExtendedData/Data[(_at_)name='rdb_status' and
value='Endangered'])
Also, you haven't shown us the context (template match) within which
the for-each is used, so we don't know if any nodes are actually
selected by the path -- even if it's syntactically correct, and
plausible to think it might, given what we've seen.
(That's what I meant about "knowing more about what you haven't told
us" in my first response. XSLT is easy enough once things line up, but
until you know how to make that happen, it'll be mysterious.)
Cheers,
Wendell
Michael/Wendell
Ah - I see what you mean. Here is the context::
<xsl:template match="/">
Id,Taxon,Location,OldGridRef,NewGridRef,RDBStatus,LastSeen,NowDate <br/>
<xsl:apply-templates />
</xsl:template>
<xsl:template match="Folder">
<xsl:for-each
select="Placemark/ExtendedData/Data[(_at_)name='rdb_status' and
value='Endangered']">
<xsl:value-of select="@id" />,
<xsl:value-of select="name" />,
<xsl:value-of
select="ExtendedData/Data[(_at_)name='location_name']/value"/>,
<xsl:value-of
select="ExtendedData/Data[(_at_)name='grid_ref']/value"/>,
<xsl:comment>The following line inserts the output of some
C# code to calculate British Grid Ref from Long/Lat</xsl:comment>
<xsl:value-of select="adh:Transform(Point/coordinates)"/>,
<xsl:value-of
select="ExtendedData/Data[(_at_)name='rdb_status']/value"/>,
<xsl:value-of
select="ExtendedData/Data[(_at_)name='last_seen']/value"/>,
<xsl:value-of select="adh:Date()"/>
<br/>
</xsl:for-each>
</xsl:template>
This works well enough when I just do:
<xsl:for-each select="Placemark">
i.e. with no filter
(Mysterious indeed Wendell - though I begin to get the beginnings of
some insight).
Thanks both for your help - much appreciated.
Alan Hale
Aberystwyth
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