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mgredmond

Passing PHP variable to DataPage URL

Question

I have a DataPage that I am embedding in  a Joomla article. I use Joomla ACLs, so I am not using Caspio's authentication. But I still want to get the user's Name and ID (from Joomla) to load into the Caspio database to track who created/updated the records.

I uses a PHP snippet of code to get the user's information and put it into a variable. This works because I can echo it to the screen.

I then want to pass the variable to the Caspio DataPage by modifying the embed code generated for the DataPage as follows:

As generated by  Caspio:

<script type="text/javascript" src="https://c1abs817.caspio.com/dp/ec1d70004e69797b8ed24ca4ade4/emb"></script>
<div class="cxkg"><a href="https://c1abs817.caspio.com/dp/ec1d70004e69797b8ed24ca4ade4">Click here</a> to load this Caspio <a href="http://www.caspio.com" target="_blank" title="Cloud Database">Cloud Database</a></div>
<div id="cbec1d70004e69797b8ed24ca4ade4"><a href="https://www.caspio.com" target="_blank">Cloud Database</a> by Caspio</div>

As modified by me:

<script type="text/javascript" src="https://c1abs817.caspio.com/dp/ec1d70004e69797b8ed24ca4ade4/emb?joomuser=<?php echo $username; ?>"></script>
<div class="cxkg"><a href="https://c1abs817.caspio.com/dp/ec1d70004e69797b8ed24ca4ade4?joomuser=<?php echo $username; ?>">Click here</a> to load this Caspio <a href="http://www.caspio.com" target="_blank" title="Cloud Database">Cloud Database</a></div>
<div id="cbec1d70004e69797b8ed24ca4ade4><a href="https://www.caspio.com" target="_blank">Cloud Database</a> by Caspio</div>

Notice that I have put my modification " ?joomuser=<?php echo $username; ?>" into the script in two places. Not really sure if it's needed in both places, but not knowing, I put it in both.

When I press the SUBMIT button on the DataPage, the record ( a transaction header record) is written to the database and then a details DataPage is loaded. The record is written as expected and the 2nd DataPage is presented, but when I check the record written, the user name from JOOMUSER is not recorded. 

Here is a screenshot of how I have the field set up on the datapage:

image.png.2547d757e2d2bffd010f63bf27cda1b2.png

Clearly, I am doing something wrong or missing a step. Any help would be greatly appreciated.

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I figured this out.

I was not quite accurate when I said I was loading the code into the Joomla article. The code was actually loaded into a custom module and the module was loaded into the article. There must be some failure in the interaction between the article and the module., because when I instead loaded the code directly into the article, everything worked as desired. 

Problem solved.

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