Re: [xsl] Passing parameter into tag name

["Steve Wisniewski stevewiz76@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Thank you Martin!

      From: "Martin Honnen martin.honnen@xxxxxx"
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
 To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
 Sent: Wednesday, April 12, 2017 9:11 AM
 Subject: Re: [xsl] Passing parameter into tag name

On 12.04.2017 15:06, Steve Wisniewski stevewiz76@xxxxxxxxx wrote:

> <foo>
> <Level>
> <Level_No>1</Level_No>
> </Level>
> <Level>
> <Level_No>2</Level_No>
> </Level>
> <Level>
> <Level_No>3</Level_No>
> </Level>
> <Cost ID='1'>
> <Level_1_Amt>100</Level_1_Amt>
> <Level_2_Amt>200</Level_2_Amt>
> <Level_3_Amt>300</Level_3_Amt>
> </Cost>
> <Cost ID='2'>
> <Level_1_Amt>50</Level_1_Amt>
> <Level_2_Amt>100</Level_2_Amt>
> <Level_3_Amt>150</Level_3_Amt>
> </Cost>
> <Cost ID='3'>
> <Level_1_Amt>175</Level_1_Amt>
> </Cost>
> <Cost ID='4'>
> <Level_3_Amt>400</Level_3_Amt>
> </Cost>
> </foo>
>
> I am trying to sum up the amounts in the following code, but am getting
> a syntactical error about how I am trying to pass the parameter value
> into the tag name:
>
> <xsl:stylesheet version="2.0" xmlns="http://www.w3.org/1999/xhtml";
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:xs="http://www.w3.org/2001/XMLSchema";>
> <xsl:output method="xml" indent="yes"/>
>
> <xsl:template name="buildLevel">
> <xsl:param name="levelNum"/>
> <Level_Amt>
> <xsl:value-of select="sum(/Story/Level_{$levelNum}_Amt)"/>

You need to check the name with e.g.
B  B  sum(/Story/*[local-name() = concat('Level_', $levelNum, '_Amt')])