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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsForm and ListForm and ListF&L/UDT Search with Drop-Down ListsF&L/UDT Search with Drop-Down Lists
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10/30/2009 1:47 PM
 
Mike Riley


Joined: 5/5/2006
Posts: 1138

Stefan (or someone else)....

I'm hoping that someone can nudge me in the right direction for this.

Using some guidance from Stefan, I created a search drop-down using XSLT and Muenchian grouping.

I added the following near the top of my XSLT:

  <xsl:key name="data-by-Author" match="udt:Data" use="udt:Author" />

I then modified the Search portion of the XSLT:

  <xsl:template name="Searchform">
    <select name="{$prefix_param}_searchPostback">
      <option value="">ALL</option>
      <xsl:for-each select="udt:Data[count(. | key('data-by-Author', udt:Author)[1]) = 1]">
        <xsl:sort select="udt:Author" />
        <option>
          <xsl:value-of select="udt:Author" disable-output-escaping="yes" />
        </option>
      </xsl:for-each>
    </select>

What if I want 2 drop-down search columns (Author and Publisher)?  Can anyone give me a push in the right direction?

My UDT is at http://www.devodog.us/MyStuff.aspx (the Books module).
    <input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" />
    <input type="hidden" name="{$prefix_param}_ispostback" value="true" />
  </xsl:template>
 
New Post
11/3/2009 7:31 AM
 
Stefan Cullmann


Stefan Cullmann's Avatar

Joined: 1/6/2005
Posts: 2867

Mike, thank you for sharing this example.

Adding a second drop down is quite easy, you would add a second select, but now with a new name, for example name="{$prefix_param}_searchPostback2".

The filter is most times quite easy, but it gets more complex if paging is enabled. The xslt script doesn't use viewsate, that way the whole state needs to be transferred via querystring.

 
 
New Post
11/18/2009 7:56 PM
 
Dustin

Joined: 8/14/2008
Posts: 1

Hey Stephan, trying to follow the above example, and got it most of the way.  I too wanted dual search dropdowns, one for State and one for a Certified Level for Instructors.  The state search is performing beautifully, but the Certified level search is not working.  It seems as if the search is performed solely off of the first dropdown.  Any advice you could lend would be amazing. 

Here's my search template code:

  <xsl:key name="data-by-State" match="udt:Data" use="udt:State" />
  <xsl:key name="data-by-Level" match="udt:Data" use="udt:Certified_x0020_Level" />

  <xsl:template name="Searchform">
    <div style="padding-right:15px; float:left;">
      State:
      <select name="{$prefix_param}_searchPostback">
        <option value="">ALL</option>
        <xsl:for-each select="udt:Data[count(. | key('data-by-State', udt:State)[1]) = 1]">
        <xsl:sort select="udt:State" />
        <option>
          <xsl:value-of select="udt:State" disable-output-escaping="yes" />
        </option>
        </xsl:for-each>
      </select>
      <input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" />
      <input type="hidden" name="{$prefix_param}_ispostback" value="true" />
    </div>
    <div style="padding-right:15px; float:left;">
      Certified Level:
        <select name="{$prefix_param}_searchPostback2">
          <option value="">ALL</option>
          <xsl:for-each select="udt:Data[count(. | key('data-by-Level', udt:Certified_x0020_Level)[1]) = 1]">
          <xsl:sort select="udt:Certified_x0020_Level" />
          <option>
            <xsl:value-of select="udt:Certified_x0020_Level" disable-output-escaping="yes" />
          </option>
        </xsl:for-each>
      </select>
      <input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" />
      <input type="hidden" name="{$prefix_param}_ispostback" value="true" />
    </div>
  </xsl:template>

The website is http://www.hankhaneygolfinstructor.com/CertifiedInstructorLocator/tabid/214/Default.aspx if that helps at all.

Thanks in advance!!

-Dustin Eatchel.
JC Video Systems
 
New Post
11/19/2009 4:53 PM
 
Stefan Cullmann


Stefan Cullmann's Avatar

Joined: 1/6/2005
Posts: 2867

Dustin, you mastered the rendering part of the search form, now you need to start using the input.

If you enable search, the generator adds also these parameters in the beginning of the XSL script.:

  <xsl:param name="param_search" />
  <xsl:param name="param_searchpostback" />
  <xsl:param name="param_ispostback" />
  <xsl:variable name="search">
    <xsl:choose>
      <xsl:when test="$param_ispostback">
        <xsl:value-of select="$param_searchpostback" />
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$param_search" />
      </xsl:otherwise>
    </xsl:choose>
  </xsl:variable>

What is missing in your case is the handling of the certified level. This would be placed in the parameter $param_searchpostback2

<xsl:param name="param_searchpostback2" />

and you need to tell your script what to do with the parameter, you want to filter.

Btw. the old filter statement is a bit outdated. Our team member Brett wrote a lesson about how this can be rewritten in FnL.

I hope you can combine this to get your problem solved.
 
New Post
6/23/2010 5:01 PM
 
Brandon Jelinek


www.synodnw.org
Joined: 2/28/2006
Posts: 77
I am close to figuring this out.. But it is not doing it exactly yet
<xsl:variable name="prefix_param">udt_<xsl:value-of select="//udt:Context/udt:ModuleId" />_paramxsl:variable>
  <xsl:param name="param_search" />
  <xsl:param name="param_searchpostback" />
  <xsl:param name="param_searchpostback2" />
  <xsl:param name="param_ispostback" />
  <xsl:key name="LessonLevel" match="udt:Data" use="udt:Lesson_Level" />
  <xsl:key name="ModuleUsed" match="udt:Data" use="udt:Module" />
  <xsl:variable name="search">
    <xsl:choose>
      <xsl:when test="$param_ispostback">
        <xsl:value-of select="$param_searchpostback" />
      xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$param_search" />
      xsl:otherwise>
    xsl:choose>
  xsl:variable>

<xsl:template name="SearchForm">
   <div style="padding-right:15px; float:left;">
     Module Used:
   <select name="{$prefix_param}_searchPostback"><option value="">ALL><xsl:for-each select="udt:Data[count(. | key('LessonLevel', udt:Lesson_Level)[1]) = 1]"><xsl:sort select="udt:Lesson_Level" /><option><xsl:value-of select="udt:Lesson_Level" disable-output-escaping="yes" />option>xsl:for-each>select><input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" /><input type="hidden" name="{$prefix_param}_ispostback" value="true" />div>
   <div style="padding-right:15px; float:left;">
     Difficulty Level:
   <select name="{$prefix_param}_searchPostback2"><option value="">ALL><xsl:for-each select="udt:Data[count(. | key('ModuleUsed', udt:Module)[1]) = 1]"><xsl:sort select="udt:Module" /><option><xsl:value-of select="udt:Module" disable-output-escaping="yes" />option>xsl:for-each>select><input type="submit" name="go" value="{//udt:Context/udt:LocalizedString_Search}" /><input type="hidden" name="{$prefix_param}_ispostback" value="true" />div>
 xsl:template>

and then my filter statement is

[Module] LIKE '*[Form:udt_15612_param_searchPostback]*'

I know i am missing the searchPostback2 in both the filter and the search parameter but what is the syntax for adding in that 2nd filter element?
and then my filter statement is I know i am missing the searchPostback2 in both the filter and the search parameter but what is the syntax for adding in that 2nd filter element?
and then my filter statement is I know i am missing the searchPostback2 in both the filter and the search parameter but what is the syntax for adding in that 2nd filter element?
 
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