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$Link not being rendered
7 June 2010 at 9:45am
I have a problem using the $Link page control.
When I use the control outside a control loop all is fine it renders OK.
However, in side table the $Link is not rendering the href in the loop shows as /goedit?id=$ID instead of /student-search/goedit?id=$id.
Anyone see what I am doing wrong?
Thanks
--------------------------------------------------
<% if StudentSearchResults %>
<p>Total: $StudentSearchResults.Count
$Link
</p>
<table width="99%">
<thead>
<tr>
<th></th>
<th>Student</th>
<th>ID</th>
</tr>
</thead>
<tbody>
<% control StudentSearchResults %>
<tr>
<td>$Link</td>
<td><a href="$Link/goedit?id=$ID">Edit</a></td>
<td>$FirstName $Lastname</td>
<td>$ID</td>
</tr>
<% end_control %>
</tbody>
</table><% end_if %>
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Re: $Link not being rendered
7 June 2010 at 10:11am
Hello again.
Because you are in the control loop for the student, SS thinks you are looking for the $Link property or method of the student. But you want the link of the page.
There are two options here, in your student class you can add a Link() method that will return the link:
function Link() {
return $this->CurrentPage()->Link() . 'goedit?id=' . $this->ID;
}
This will allow you to use just $Link in the control loop.OR
you can get the current pages link in the template by proceeding the $Link with $Top like so:
...
<td><a href="$Top.Link/goedit?id=$ID">Edit</a></td>You may have to surround the $Top.Link with curly brackets too: {$Top.Link}
I recommend the first method
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Re: $Link not being rendered
10 June 2010 at 11:03am Last edited: 10 June 2010 11:19am
Thanks again. Dan, I have it working, but only using your least favourite option
I am afraid.
Firstly, when creating the method name "link()" the page never rendered, it just spinnered indefinitely. I then changed the method name to Pagelink() and the page rendered as per normal. I guess the word "link" must be a resevered/protected name for a method.?
Furthermore, the method returns an empty string. Any ideans?
...
function Pagelink() {
return $this->CurrentPage()->Link() . 'goedit?id=' . $this->ID;
}...
<% control StudentSearchResults %>
<tr>
<td><a href="{$Top.Link}goedit?id=$ID">Edit</a></td> <<< this one worked.
<td><a href="{$Pagelink}goedit?id=$ID">Edit</a></td> <<< this one did not.
<td>$FirstName $Lastname</td>
<td>$ID</td>
</tr>
<% end_control %> -
Re: $Link not being rendered
10 June 2010 at 11:35am
That function looks fine. Make sure that it is a method of the object that you are controlling.
ie: Pagelink() has to be a function defined in the Student object (if the student object is being returned in the StudentSearchResults)
Also, you would only need to use $Pagelink in the template not {$Pagelink}editid=$ID
Tbh, if you can't get $Pagelink working, but $Top.Link/editid=$ID does, then use that.
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Re: $Link not being rendered
10 June 2010 at 1:27pm
Dan. A penny has just dropped! I had the method in the wrong controller. Moved it to the student object and hey presto all is good.
Solving this one has also solved a few other queries too!
Thanks again Dan. !
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