Hi Ryan,

I'm by no means a .NET master, but given your TestMethod requires a string, I know that the XSLT processor will provide just that, so it'll return the string representation, which is akin to using <xsl:value-of select="" /> which returns all the text nodes below that element (not entirely correct, but ok for illustration).

You may be able to change the method signatur to take an XPathIterator or an IXmlDomNode or something similar and get access to the actual DOM of the currentPage.

/Chriztian

As Christian suggests, try setting your input parameter to a XPathNodeIterator. Should make it possible for you to access the XML.

That's the problem! I switched to XPathNodeIterator and it worked. I was just using string because of its genericness and without documentation for how to do this I am left guessing. I was thinking that it would pass it as a stirng and then I would parse that into my own XmlDocument or something along those lines. Thanks for your help!

So, now on to the next half- I am trying to return xml to an xsl variable that will get transformed instead of the $currentPage parameter.

I am setting the variable like this:

<xsl:variable name="recurringEvents">

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage)"/>

</xsl:variable>

My method now looks like this:

        public static XPathNodeIterator TestMethodXP(XPathNodeIterator data)

        {

            return data;

        }

But when I try to use xsl on recurringEvents, like this:

<xsl:value-of select="count($recurringEvents/ancestor-or-self::root//node [@nodeTypeAlias='event'])" />

I get:

System.Xml.Xsl.XslTransformException: To use a result tree fragment in a path expression, first convert it to a node-set using the msxsl:node-set() function. 

When I try to save the xslt file. I'm clearly an xslt rookie, so I don't really know what it wants me to do. But I'll bet 75 cents that I am not supposed to be returning an XPathNodeIterator in my method, since that is the part I guessed on...

Thanks for the help guys,

-Ryan

Progress, but not quite there... I implemented Niels' suggestion, and now there are no errors. However, the data is not right. This:

<xsl:value-of select="count($currentPage/ancestor-or-self::root//node [@nodeTypeAlias='event'])" />

returns "90" which is the correct result.

This:

<xsl:value-of select="count($recurringEvents/ancestor-or-self::root//node [@nodeTypeAlias='event'])" />

returns "0"

Just to confirm, this is how I am calling my method and setting the variable:

<xsl:variable name="recurringEventsXML">

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage)"/>

</xsl:variable>

<xsl:variable name="recurringEvents" select="msxml:node-set($recurringEventsXML)" />

And this is my .Net method, which at this point does nothing:

        public static XPathNodeIterator TestMethodXP(XPathNodeIterator data)

        {

            return data;

        }

Right now, I am just trying to send the data through a .net method and get the same thing back. Once I have that working, I am going to use the .Net method to manipulate the data.

Do you get xml back if u do this?

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage)"/>

Or maybe its clearer if u do this: <textarea>

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage)/*"/>

</textarea> Because its possiuble yo have a wrong xpath or something

I am selecting the root node. Check this out- here is where I call my function and set the variables:

<xsl:variable name="recurringEventsXML">

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage/ancestor-or-self::root)"/>

</xsl:variable>

<xsl:variable name="recurringEvents" select="msxml:node-set($recurringEventsXML)" />

Now, when I do this:

<xsl:copy-of select="$recurringEvents"/>

It outputs the entire xml document, which is exactly what I am looking for. However, when I do this:

<xsl:copy-of select="$recurringEvents/ancestor-or-self::root"/>

My guess is that $recurringEvents is a string with tags in it, and is not being interpreted as actual XML that can be searched with XPath. 

Got it... Niels- you were on the right path (get it?!?!). This works (notice the /* in the recurringEvents):

<xsl:variable name="recurringEventsXML">

<xsl:copy-of select="Calendar.Library:TestMethodXP($currentPage/ancestor-or-self::root)"/>

</xsl:variable>

<xsl:variable name="recurringEvents" select="msxml:node-set($recurringEventsXML)/*">

</xsl:variable>

Morten- Yes that was exactly it. I was misunderstanding what was going on with the ancestor or self. Thanks again everyone for all of the help!

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