manage various parameters passed to a template

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JacoboPolavieja 62 posts 84 karma points

Aug 11, 2010 @ 20:32
0

Manage various parameters passed to a template

XSLT
Hello all!

I have a template in which I call an XSLT file. My site is a news site and I want to be able to display the news in different formats depending on what's requested. For example, right now I have:

- mydomain.com/news.aspx?tag="Michael Jordan" -> this would display all news that have the tag "Michael Jordan" (this is already achieved ;)).

The problem is that I want to have things like:

- mydomain.com/news.aspx?country="USA" -> this would display all news that have its "country" attribute set to "USA".

- mydomain.com/news.aspx?competition="NBA" -> this would display all news that have its "competition" attribute set to "NBA".

On the "news" template I just have the call to the macro which does something like:
```
<xsl:if test="not(umbraco.library:Request('tag') = '')"> 
   
</xsl:if>
<xsl:if test="umbraco.library:Request('tag') = '' "> 
   
</xsl:if>
```
If I have to control several possible arguments the thing goes nasty... So my questions are:

1. Isn't there a better way to manage arguments/parameters?

2. How would I control each case separately (?tag, ?country, ?competition) and even "concatenated" ones (?tag="Michael Jordan"&?country="USA") ? (The syntax is probably wrong, have never done something like that).

I don't know if it would be better to call the template with parameters as it shows in the end of this page: http://en.wikibooks.org/wiki/Umbraco/Various_useful_XSLT_methods_in_Umbraco , or if that should be used for something else, etc...

Any hint would be of much help. Thank you so much!
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Chriztian Steinmeier 2798 posts 8788 karma points MVP 7x admin c-trib

Aug 11, 2010 @ 21:14

1

Hi JacoboPolavieja,

I do a fair amount of this in the XSLT file for my "XML Dump" package - it accepts a bunch of parameters in the QueryString and acts accordingly - you can take a look at how I do that in there, and get some ideas... It's located here: http://our.umbraco.org/projects/developer-tools/xml-dump

/Chriztian

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JacoboPolavieja 62 posts 84 karma points

Aug 17, 2010 @ 20:08
0
Hi Chriztian and thanks for replying.

After having looked your XMLDump I tried to do something similar with my XSLT, without much success. I then saw this: http://our.umbraco.org/wiki/reference/umbracolibrary/requestquerystring

From that I understand that "requesquerystring" doesn't give me which parameter is asked but the value of a parameter. From that example on the wiki, I'm no trying to get the value "Hello", but what goes right after the "?" mark. In that example I would have, for example, "MyQueryString", "MyQueryString2", "MyQueryString3"... and that is what I'm trying to get.

Am I missing something? From your XSLT file from XMLDump I "ported" to my own XSLT in the form of:
```

<xsl:variable name="queryStringAvailable" select="function-available('umb:RequestQueryString')" />    
```
```
  <xsl:variable name="mainCountry">
    <xsl:if test="$queryStringAvailable">
      <xsl:value-of select="umb:RequestQueryString('mainCountry')" />
    </xsl:if>
  </xsl:variable>
  
  <xsl:choose><xsl:when test="$mainCountry">
    <p>HOLA</p>
  </xsl:when></xsl:choose>
```
The result is that it always prints "HOLA".

Am I doing something very wrong? Thanks a lot!
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