Hello all,
I have the following query (after much searching and reading of Joe Celko
and secretagents.com :-)
<!--- Builds the whole tree --->
<cfquery name="tree" datasource="#EAIDataSource#">
select Child.Content_ID, Child.Content_ID AS a_ID, Child.Content_Name_en,
Count(Child.startbranch) AS lvl,
Child.startbranch, Child.endbranch
from Content_Tree AS Parent, Content_Tree AS Child
where (Child.startbranch BETWEEN Parent.startbranch AND Parent.endbranch)
group by Child.startbranch, Child.Content_ID, Child.Content_Name_en,
Child.endbranch
</cfquery>
Followed by this code:
<table cellpadding="0" cellspacing="0" style="width:196px;" align="center"
border="0">
<cfoutput query="tree" group="Content_ID">
<cfset maxLvl = ArrayMax(ListToArray(ValueList(tree.lvl)))>
<tr>
<cfif lvl gt 1>
#repeatstring('<td valign="top"
style="width:10px;"> </td>',val(lvl - 2))#
<td valign="top" style="width:10px;"><img
src="images/general/flech.gif" width="10" height="10"></td>
</cfif>
<td class="tdp" valign="top" colspan="<cfif lvl eq
1>#val(maxLvl)#<cfelse>#val(maxLvl - (lvl - 1))#</cfif>">
<a href="index.cfm?Content_ID=#Content_ID#">
<cfif lvl eq 1><b></cfif>#highlight(Content_Name_en)#<cfif lvl eq
1></b></cfif></a>
</td>
</tr>
</cfoutput>
</table>
Which outputs like this:
Header (bold)
> sub
Header (bold)
> sub
>subsub
>subsubsub
>subsubsub
>subsub
>sub
>subsub
..
and so on. Now so far this is working exactly as planned, but I need to
break up the listing into sub-groups on the Headers based on the selection
on a top menu bar.
so i appended the query thusly (based on Celko's recommendation in Chapter
29 of SQL for Smarties):
<!--- Builds the sub tree --->
<cfquery name="subtree" datasource="#EAIDataSource#">
select Child.Content_ID, Child.Content_ID AS a_ID, Child.Content_Name_en,
Count(Child.startbranch) AS lvl,
Child.startbranch, Child.endbranch
from Content_Tree AS Parent, Content_Tree AS Child
where (Child.startbranch BETWEEN Parent.startbranch AND Parent.endbranch)
AND Parent.Content_ID = #root.Content_ID#
group by Child.startbranch, Child.Content_ID, Child.Content_Name_en,
Child.endbranch
</cfquery>
Which should do this:
sub (bold)
sub (bold)
>subsub
>subsubsub
>subsubsub
>subsub
sub (bold)
>subsub
But does this
sub (bold)
sub (bold)
subsub (bold)
subsubsub (bold)
subsubsub (bold)
subsub (bold)
sub (bold)
subsub (bold)
My question is why? and what can I do to make it work? what am I missing?
will
----
William H. Bowen
Webmaster
ALSTOM's T&D Energy Automation & Information Business
"Your friendly neighborhood Webmaster!"
[EMAIL PROTECTED]
http://www.esca.com/
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