Question

toggle sort on a column title

Asked by: JohnLucania

This query is in place for the display:

<cfquery datasource......>
      select * FROM GiftView WITH (NOLOCK)
      WHERE ConstID = #myCon#
         bla....
      Order by Created ASC, myTable
</cfquery>

The field I have:

<TD class=notetext2 width=1% nowrap align=middle>
<B><FONT color=EEEEEE>Due Date</FONT></B>
</TD>

When I click on 'Due Date', I want to have 'toggle sort' (sort by ASC or DESC back and forth), which will be basically:

Order by Created ASC

or

Order by Created DESC

I am thinking having a fucntion something like Order by Created <cfif ......>ASC <efelse> DESC</cfif>

What would be the best way to put 'toggle sort' on 'Due Date' and how to do it?

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Asked On
2006-06-21 at 07:48:27ID21894088
Tags

cfquery

,

mytable

,

nolock

,

sort

,

toggle

Topic

ColdFusion Application Server

Participating Experts
2
Points
500
Comments
11

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Answers

 

by: SidFishesPosted on 2006-06-21 at 08:10:40ID: 16952142

you can do this with cfgrid without resubmitting the page...

or

<script type="text/javascript">
function goToURL(aURL)
            {
                  self.location = aURL;
            }


<cfparam name="url.sort" default="asc">
<TD class=notetext2 width=1% nowrap align=middle>
<B><FONT color=EEEEEE>
<cfif url.sort eq "Asc">
<input type="button" name="desc" value="Sort Desc" onClick="goToURL('thispage.cfm?sort=desc');">
<cfelse>
<input type="button" name="asc"  value="Sort Asc" onClick="goToURL('thispage.cfm?sort=asc');">
</cfif>
Due Date</FONT></B></TD>

<cfquery datasource......>
     select * FROM GiftView WITH (NOLOCK)
     WHERE ConstID = #myCon#
         bla....
     Order by Created #url.sort#, myTable
</cfquery>


you could also use an img

<img src="up_arrow.gif" alt="Sort Asc" onClick="goToURL('mypage.cfm?sort=asc');">


 

by: 73SpyderPosted on 2006-06-21 at 11:38:22ID: 16954095

Check out this script:

http://www.dhtmlgoodies.com/index.html?showDownload=true&whichScript=sortable_table

I have used it many times and it works great

 

by: JohnLucaniaPosted on 2006-06-26 at 08:34:57ID: 16985065

The issue I am having with function goToURL(aURL) is that:

The page is having the url like this:
default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments

and the query below comes before it hits the table for display.

<cfquery datasource......>
     select * FROM GiftView WITH (NOLOCK)
     WHERE ConstID = #myCon#
         bla....
     Order by Created #url.sort#, myTable
</cfquery>

It seems that the best way is to change  "Order by Created" to ASC or DESC when the page is refreshed, so we will need to put a function to refresh the page.
For instance, if the page is clicked (in this case, refreshed), it becomes ASC; if clicked again, it becomes DESC, and so on.   I think that is the beter way.

How do you resolve this issue?



 

by: JohnLucaniaPosted on 2006-06-26 at 08:43:44ID: 16985143

Actually, refreshing the page is not an issue for me since I know already.  The question I have is how to toggle ASC or DESC on the refresh.

 

by: SidFishesPosted on 2006-06-26 at 17:35:38ID: 16988997

This should work
      
<script type="text/javascript">
function goToURL(aURL)
          {
               self.location = aURL;
          }



<cfquery datasource......>
     select * FROM GiftView WITH (NOLOCK)
     WHERE ConstID = #myCon#
         bla....
     Order by Created #url.sort#, myTable
</cfquery>



<cfparam name="url.sort" default="asc">
<TD class=notetext2 width=1% nowrap align=middle>
<B><FONT color=EEEEEE>
<cfif url.sort eq "Asc">
<input type="button" name="desc" value="Sort Desc" onClick="goToURL('default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments&sort=Desc');">
<cfelse>
<input type="button" name="asc"  value="Sort Asc" onClick="goToURL('default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments&sort=Asc');">
</cfif>
Due Date</FONT></B></TD>

 

by: JohnLucaniaPosted on 2006-06-26 at 17:57:27ID: 16989070

I have the refresh function in place.   onClick="goToURL('default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments& .... gives more issues.   As long as I figure out how to return distinctive values (i.e. 1 or 2, yes or no, on or off, etc) whenever the page is refreshed, it sould be good to go.
For instance, the first refresh gives 1, then the next refresh gives 2, the 3rd refresh gives 1, the next gives 2, etc

 

by: SidFishesPosted on 2006-06-26 at 18:15:11ID: 16989108

that's "by design"


if you wish to you can eliminate the cfif

<input type="button" name="desc" value="Sort Desc" onClick="goToURL('default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments&sort=Desc');">
<input type="button" name="asc"  value="Sort Asc" onClick="goToURL('default.cfm?fuse_action=Main&Dest=Orga&org=2094842&showType=pledgeinstallments&sort=Asc');">

this gives the user the ability to choose

 

by: SidFishesPosted on 2006-08-05 at 10:23:01ID: 17256519

my solution works fine for me..use it all the time

20120131-EE-VQP-002

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