xslt sometimes works sometimes gives error - XSLT

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Elad Lachmi 112 posts 144 karma points

Mar 21, 2011 @ 05:46

0

XSLT sometimes works, sometimes gives error

I have the following XSLT:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xsl:stylesheet [ <!ENTITY nbsp " "> ]>
<xsl:stylesheet
  version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:msxml="urn:schemas-microsoft-com:xslt"
  xmlns:umbraco.library="urn:umbraco.library" xmlns:Exslt.ExsltCommon="urn:Exslt.ExsltCommon" xmlns:Exslt.ExsltDatesAndTimes="urn:Exslt.ExsltDatesAndTimes" xmlns:Exslt.ExsltMath="urn:Exslt.ExsltMath" xmlns:Exslt.ExsltRegularExpressions="urn:Exslt.ExsltRegularExpressions" xmlns:Exslt.ExsltStrings="urn:Exslt.ExsltStrings" xmlns:Exslt.ExsltSets="urn:Exslt.ExsltSets"
  exclude-result-prefixes="msxml umbraco.library Exslt.ExsltCommon Exslt.ExsltDatesAndTimes Exslt.ExsltMath Exslt.ExsltRegularExpressions Exslt.ExsltStrings Exslt.ExsltSets ">

<xsl:output method="xml" omit-xml-declaration="yes"/>

<xsl:param name="currentPage"/>

<xsl:template match="/">


  <xsl:for-each select="$currentPage//broker [@isDoc]">
  <div class="small-box">
  <xsl:if test="position() mod 3 = 0">
  <xsl:attribute name="class">nomar2</xsl:attribute>
  </xsl:if>
  <div class="small-top">
  <div class="small-bottom">
  <div class="box-logo">
  <img src="{umbraco.library:GetMedia(./brokerLogo,0)/umbracoFile}" width="123" height="49" alt="" />
  </div>
  <h2><xsl:value-of select="./brokerName" /></h2>
  <p><xsl:value-of select="./shortDescription" /></p>
  </div>
  </div>
  </div>
  </xsl:for-each>
</xsl:template>

</xsl:stylesheet>

Sometimes it works and sometimes it shows an error:

System.OverflowException: Value was either too large or too small for an Int32.

When I remove the GetMedia tag, it is able to save the file.

Any ideas? I`m going a little nuts here.

Thank you.

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Elad Lachmi 112 posts 144 karma points

Mar 21, 2011 @ 06:49

0

Well I found the problem.

The xslt breaks when the brokerLogo property doesn't have a media ID associated with it.

I'm guessing ./brokerLogo return either null or some empty string and GetMedia fails.

If this was c++ for instance, I would just check that ./brokerLogo is not null.

How can I do this in XSLT?

I want to present a generic logo if the client does not submit their logo.

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Jan Skovgaard 11280 posts 23678 karma points MVP 11x admin c-trib

Mar 21, 2011 @ 07:52

1

Hi Elad

You would make a check to make sure that the property has a value. Try having a look at the example on how to use the GetMedia extension here: http://our.umbraco.org/wiki/reference/umbracolibrary/getmedia

/Jan

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Kim Andersen 1447 posts 2196 karma points MVP

Mar 21, 2011 @ 08:39
0
Hi Elad

I think you should have a look at the Wiki Jan links to, but if you just wan to expand the code that you've already got, you can add a small check like this:
```
<xsl:if test="./brokerLogo != ''">
   <div class="box-logo">
      <img src="{umbraco.library:GetMedia(./brokerLogo,0)/umbracoFile}" width="123" height="49" alt="" />
   </div>
</xsl:if>
```
/Kim A
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Elad Lachmi 112 posts 144 karma points

Mar 21, 2011 @ 08:51

0

Usually I look for good coding practices, today I`m just looking for a quick fix :). Thank you both!

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XSLT sometimes works, sometimes gives error