Pass XSLT element to C# code

Question

In my XML, I have something like this:

<people>
    <person>
        <name>
            <first>Bob</first>
            <last>Bobbertson</last>
        </name>
        <age>80</age>
    </person>
    ...
</people>

I want to be able to pass the entire <person> section to my code-behind so that in my C# code, I can have access to all of the subnodes (<name>, <first>, <last>).

I am using XSLT to generate my HTML, and in my XSLTfile, I have a line like this:

<xsl:value-of select="custom:SelectPerson($selectedPerson)"/>

Which calls this in my code-behind:

public string SelectPerson(System.Xml.XPath.XPathNodeIterator selectedPersonNodes)
{
    foreach (var node in selectedPersonNodes)
    {
        Debug.WriteLine(node.ToString());
    }
    ...
}

What I want to happen is to have the foreach loop three times, and print out "Bob", then "Bobbertson", then "80". But what is happening is that it goes through once and prints out "BobBobbertson80".

Is there a way to pass the nodes in the way I want from the XSLT-generated HTML to my code-behind?

JLRishe · Accepted Answer · 2013-05-11 05:17:56Z

2

You haven't shown us how $selectedPerson is defined, but I would suggest trying this to pass a set of the individual nodes to the function:

<xsl:value-of
     select="custom:SelectPerson($selectedPerson//*[not(*)])"/>

answered May 11, 2013 at 5:17

JLRishe

102k19 gold badges138 silver badges171 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Kalina Over a year ago

I didn't know you could do this. Thank you, this solved my problem!

Borodin · Accepted Answer · 2013-05-10 20:41:05Z

Note that the C# code below is untested as I don't have access to a C# development environment.

What your C# code is doing is correct. You are passing an iterator that contains just one node. (Examine selectedPersonNodes.Count to check). That node is the element <person> which, as you say, has descendants, but it is still a single node.

Assuming your XPathNodeIterator can ever contain multiple person elements, you should write

foreach (var person in selectedPersonNodes)
{
  Debug.WriteLine(person.SelectSingleNode("name/first").ToString());
  Debug.WriteLine(person.SelectSingleNode("name/last").ToString());
  Debug.WriteLine(person.SelectSingleNode("age").ToString());
}

or if it always contains a single person, you can say

selectedPersonNodes.MoveNext();
XPathNavigator person = selectedPersonNodes.Current;

Debug.WriteLine(person.SelectSingleNode("name/first").ToString());
Debug.WriteLine(person.SelectSingleNode("name/last").ToString());
Debug.WriteLine(person.SelectSingleNode("age").ToString());

but, as I said, you may want to check the value of selectedPersonNodes.Count before you do either of these.

Collectives™ on Stack Overflow

Pass XSLT element to C# code

2 Answers 2

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related