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xslt test decimal length

Posted on 2013-05-26
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Last Modified: 2013-05-28
Hi experts,

I would like to test a numeric value coming from an XML node.

I have this field in a xsl form

<input name="vpreven" type="text" id="vpreven" size="15" maxlength="{//vpreven
/@length}" style="text-align:right" > 
 <xsl:if test="(//vpreven!=0)">        
 <xsl:attribute name="value">
    <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.000000')"/>   </xsl:attribute>
  </xsl:if>
  </input>

I get as result 6 decimal numbers e.g. 10.234567
 
I would like to test the decimal length in order to put the right format
e.g
10.543 -> <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.000')"/>
10.2 -> <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.0')"/>
10.87655 -> <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.00000')"/>

Thank you for you comments,

Regards
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Question by:alcani
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2 Comments
 
LVL 60

Accepted Solution

by:
Geert Bormans earned 2000 total points
ID: 39198539
you can use string-length(substring-after(string(//vpreven), '.')) in the test

but I think
format-number(//vpreven,'#,###,###,###,###.#')
will do exactly what you want, without testing
0
 

Author Comment

by:alcani
ID: 39202987
Thanks! I do it like this,

<xsl:choose>
        <xsl:when test="(string-length(substring-after(string(//vpreven), '.')) = 3 )">
        <xsl:attribute name="value">
        <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.000')"/>
        </xsl:attribute>
        </xsl:when>
        <xsl:when test="(string-length(substring-after(string(//vpreven), '.')) = 4 )">
        <xsl:attribute name="value">
        <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.0000')"/>
        </xsl:attribute>
        </xsl:when>
        <xsl:when test="(string-length(substring-after(string(//vpreven), '.')) = 5 )">
        <xsl:attribute name="value">
        <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.00000')"/>
        </xsl:attribute>
        </xsl:when>
        <xsl:when test="(string-length(substring-after(string(//vpreven), '.')) = 6 )">
        <xsl:attribute name="value">
        <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.000000')"/>  
        </xsl:attribute>
        </xsl:when>
        <xsl:otherwise>
        <xsl:attribute name="value">
        <xsl:value-of select="format-number(//vpreven,'#,###,###,###,###.00')"/>
        </xsl:attribute>
        </xsl:otherwise>
 </xsl:choose>
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