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[xsl] RE: How to pass VBScript variable in XSL code

2007-11-14 08:11:42
Hello,

I have a dropdown list populated from XML. Now, based on the selection on the 
dropdown the onclick event is expected to display the description of the 
function.  The idea is to get the index of the selected list item and display 
the corresponding description node from the XML. I have tried several ways to 
pass the value to the xsl tags. I tried Concatenating the string "<xsl:value-of 
select=""functiontitle/funcdef[" & i & "]/funcdesc"" />". This did not work 
(obviously... xsl didn't like it). 

I also tried to define a namespace and declare a variable and trying to solve 
it by passing a variable to it. I don't know what I maybe missing, cause I am 
getting an error "Namespace 'http://www.w3.org/XML/1998/namespace' does not 
contain any functions."

I would really appreciate any help on this one! Thanks in Advance! 

The original XSL Goes like this: 

<?xml version='1.0'?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

<xsl:template name="dropdown-button">
    <h2>User Defined Functions Dropdown List</h2>

    < script language="VBScript" >          
       function SetVal()
            for i=1 to 6
              if UCAse(document.getElementById(i).selected) = "TRUE" then
                        
document.form1.functionName.value=document.getElementById(i).innerHTML
                        document.form1.functiondescription.value = 
"<xsl:value-of select="functiontitle/funcdef[i]/funcdesc" />"
                        Exit For
              End if
            Next
       End function
     </msxsl:script>     
            
    <form name="form1">
    <table border = "0">
     <tr>
        <td>
         <b>Select a function</b>
        </td>
        <td>
        <select name="functionList" id="first">
            
         <xsl:variable name="my-var">
              <xsl:value-of select = "1"/>
             </xsl:variable>

               <xsl:for-each select="functiontitle/funcdef">

                 <xsl:variable name="funcid">
                   <xsl:value-of select = "id"/>
                 </xsl:variable>
                 <option id="{$funcid}">
                        <xsl:value-of select="funcname"/>
                 </option>

           </xsl:for-each>

         </select>
        </td>
        <td>
          <input id="second" name="Details" type ="button" value="Click here 
for Details!" onclick="SetVal()"/>
        </td>
      </tr>  
            <table id="third" name="hiddentable" border="1">
            <div>
            <tr>
              <td>
                <input id="fourth" type="text" name="functionName" />
              </td>
              <td>
                <input id="fifth" type="text" name="functiondescription" /> 
              </td>
            </tr>   
            </div>
            </table> 
    </table>
    </form>
  </xsl:template>

  <xsl:template match="/">
    <html>
      <body>

        <xsl:call-template name="dropdown-button" />

      </body>
    </html>
  </xsl:template>

</xsl:stylesheet>

The XSL with Namespace and variable goes like this:

<?xml version='1.0'?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
xmlns:msxsl="urn:schemas-microsoft-com:xslt" 
xmlns:vb_user="http://www.w3.org/XML/1998/namespace";>

  <xsl:template name="dropdown-button">
    <h2>User Defined Functions Dropdown List</h2>

    <msxsl:script language="VBScript" implements-prefix="vb_user">      
            
       function SetVal()

            for i=1 to 6

              if UCAse(document.getElementById(i).selected) = "TRUE" then

                
document.form1.functionName.value=document.getElementById(i).innerHTML

                Set SetVal = i

                Exit For

              End if

            Next


       End function
     </msxsl:script>     
            
    <form name="form1">
    <table border = "0">
     <tr>
        <td>
         <b>Select a function</b>
        </td>
        <td>
         <select name="functionList" id="first">
            
         <xsl:variable name="my-var">
              <xsl:value-of select = "1"/>
             </xsl:variable>

               <xsl:for-each select="functiontitle/funcdef">
                 <xsl:variable name="funcid">
                   <xsl:value-of select = "id"/>
                 </xsl:variable>
                 <option id="{$funcid}">
               <xsl:value-of select="funcname"/>
             </option>
           </xsl:for-each>

         </select>
        </td>
        <td>
          <input id="second" name="Details" type ="button" value="Click here 
for Details!" onclick="SetVal()"/>
               
              <xsl:variable name="test">
                   <xsl:value-of select="vb_user:SetVal()"/>
             </xsl:variable>        
           
        </td>
      </tr>  
            <table id="third" name="hiddentable" border="1">
            <div>
            <tr>
              <td>
                <input id="fourth" type="text" name="functionName" />
              </td>

              <td>
                <input id="fifth" type="text" name="functiondescription" 
value="{$test}" /> 
              </td>
            </tr>   
            </div>
            </table> 
    </table>
    </form>
  </xsl:template>
</xsl:stylesheet>


The XML is like this:

<?xml-stylesheet type="text/xsl" href="todropdown.xsl"?>

<functiontitle>

  <funcdef >
    <id>1</id>
    <funcname >flNVGLogin</funcname>
    <funcdesc >This function logs into CMM app</funcdesc>
  </funcdef>

  <funcdef >
    <id>2</id>
    <funcname >flVLDLogin</funcname>
    <funcdesc >This validates login page</funcdesc>
  </funcdef>

  <funcdef >
    <id>3</id>
    <funcname >flNVGCloseBrowser</funcname>
    <funcdesc >This function closes CMM app</funcdesc>
  </funcdef>

  <funcdef >
    <id>4</id>
    <funcname >flVLDCloseBrowser</funcname>
    <funcdesc >This function navigates and closes the browser</funcdesc>
  </funcdef>

  <funcdef >
    <id>5</id>
    <funcname >flNVGPopup</funcname>
    <funcdesc >This function navigates thru the popup menu</funcdesc>
  </funcdef>

  <funcdef >
    <id>6</id>
    <funcname >flVLDPopup</funcname>
    <funcdesc >This function validates the popup menu items</funcdesc>
  </funcdef>

</functiontitle>

Thanks!
Anu Nistala
anistala(_at_)ercot(_dot_)com 
512 248 4535 (office)
Nodal Integration Test Automation
Electric Reliability Council of Texas, Inc.

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