querystring multiple values for single key - XSLT

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Andy B 4 posts 24 karma points

Sep 09, 2010 @ 16:38
0

Querystring - multiple values for single key
I am creating a custom search using querystring and xslt for-each to list the results.

I am unsure how I would go about manipulating multiple values for a single key in xslt.

Example: single key is foodtype, multiple values are Italian, Indian, Thai...

example.com?foodtype=Italian&foodtype=Indian&foodtype=Thai

Now the below xslt returns a comma separated string of all that keys values; Italian,Indian,Thai .
```
<xsl:value-of select="umbraco.library:RequestQueryString('type')"/>
```
How can I separate this varying number of values into XSLT variables so I can use them in my for-each filter??
```
<xsl:for-each select="$nodes [filter1] [filter2] [filter3] [filter4]">
```
Also, there will be a varying number of filters, so how could I manage that?

These posts got me started, but am now stuck on the above issue.

http://our.umbraco.org/forum/developers/xslt/6751-Search-based-on-dropdowns-using-XSLT?p=0

Thanks
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Kim Andersen 1447 posts 2196 karma points MVP

Sep 09, 2010 @ 17:32
0
Hi Andy

Maybe you can have a look at the Split-extension. This extension creates some new XML that you can use afterwards. Like this:
```
<xsl:variable name="types" select="umbraco.library:Split(umbraco.library:RequestQueryString('type'),',')"/>
```
The above variable would then contain the following XML:
```
<values>
   <value>Italian</value>
   <value>Indian</value>
   <value>Thai</value>
</values>
```
I hope this can help you out somehow :)

/Kim A
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Sascha Wolter 615 posts 1101 karma points

Sep 09, 2010 @ 21:03
0
Hi Andy,

with regards to the varying number of filters (or filter types): you should have a default value vor each of these which you apply to them if there is no value provided. So let's say you can handle 5 filters filter1-filter5, you would then create 5 variables in your xsl script and do for each of them something like
```
<xsl:variable name="filter1">
```
```
  <xsl:choose>
```
```
    <xsl:when test="umbraco.library:RequestQueryString('filter1') != '' ">
```
```
      <xsl:value-of select="umbraco.library:RequestQueryString('filter1')" />
```
```
    </xsl:when>
```
```
    <xsl:otherwise>
```
```
      <xsl:value-of select="number(0)" />
```
```
    </xsl:otherwise>
```
```
  </xsl:choose>
```
```
</xsl:variable>
```
Hope that makes sense and helps,

Sascha
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Querystring - multiple values for single key