I have 4 queries which is talking ~30 sec to process. Then I am displaying the results of the queries in the form of tables and charts. How can I display a pop up dialog before starting the execution of queries saying ( Please wait... and a GIF image showing some animation). Pop up should close automatically after the execuation of the queries. Then diaply tables and chart.
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The queries are AJAX querys?? Just add a function to show popup with gif before opening new request, and turn it off on ajax.onreadystatechange event when (ajax.readyState == 4). To make it more smooth you can add a little setTimeout when hiding your popup to check is new query was send to server.
Many useful informations here:
http://en.wikipedia.org/wi
No its not AJAX queries. The structure of my PHP script which processes and displays the query is as below.
<?php
$query = "Query string 1";
//Draw table execute the query and show the data in table form.
EXECUTION OF THIS QUERY TAKES ABOUT 25 SECS. I want some busy indicator here saying please wait...
drawTable($query);
?>
Just to make it more accurate - you mean that PHP -> SQL connection takes 25 sec? Woow that's a lot of time. Ok then you can do this via <IFRAME> and just to make a <DIV> over this iframe with text "Please wait..." until the page in IFRAME is loaded (you can get this information via <body onload> event inside the page to show in IFRAME). If you have a question about this technique just ask :)
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by: TchukiPosted on 2008-04-06 at 20:22:47ID: 21294148
Personally I would go with something like a PHP progress bar as JavaScript may be switched off on the client machine for what ever reason (work place, educational establishment or they dont like JS).
http://www.silverspider.co
The above link is for a nice tutorial/description of how to use PHP and the GD library to manipulate images and create your loading bar effect.
This might not be exactly what you are looking for, but thought I would make the suggestion never the less.