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Apologies - I must have forgotten to save the fiddle when I changed the link!

Have you followed the steps in the technical notes linked to in the error? That'll be the place to start. If so, what did you find? Colin

Yep, I need to apply some logic. As in http://live.datatables.net/qoviziju/5/edit?html,js,output I've got a third column for issue. If the column is not empty (row[x].lenth > 1) then I need to render in red (and with a glyphicon ;) ). (I keep in mind the columns.className for other styling I've got in mind !)

Thanks, BRO! I try this

Start with thie FAQ about speed optimizations options. If this doesn't help then please provide info about what you have and the troubleshooting steps you've taken to isolate where the delay is. Kevin

@allan Thank you for your comments! I will give it a shot, as I'm currently not using scrollY. In the meantime, I have implemented a custom "column pagination" in which the full data ist stored in a class and a simplified table is destroyed and recreated if further columns are requested. I'm pretty sure, my quick implementation is not ideal, but such a feature (maybe with sth smarter than destroying and recreating) could also be something for your library. Thank you for creating and maintaining DataTables, Nico

This is an HTML question. Please see this thread: https://stackoverflow.com/questions/16834320/using-times-word-in-html-changes-to-%C3%97 Kevin

We're happy to take a look, but as per the forum rules, please link to a test case - a test case that replicates the issue will ensure you'll get a quick and accurate response. Information on how to create a test case (if you aren't able to link to the page you are working on) is available here. Cheers, Colin

The problem is solve :-) I use method form https://datatables.net/forums/discussion/21242/invalid-json-response-when-adding-some-utf-8-characters **I added this line to the function sql_connect() in spp.class.php before returning the $db object and now it works. $db->exec("set names utf8");**

I am using the datatable like below. $(document).ready(function() { $('#example').DataTable( { "orderClasses": false, language: {"sLengthMenu": "Show : MENU Export as :" }, dom: 'lBfrtip', buttons: [ 'csv', 'excel', ], "lengthMenu": [[10, 25, 50, -1], [10, 25, 50, "All"]], } ); $('.dt-button').removeClass().addClass('btn btn-sm'); } );