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This site contains the legacy documentation for DataTables v1.9 and earlier for reference only.
DataTables 1.9 was End Of Life in 2014. Do not use it for new work.
The current release of DataTables can always be found on DataTables.net.
DataTables row numbers example

Preamble

A fairly common requirement for highly interactive tables which are displayed on the web is to have a column which with a 'counter' for the row number. This column should not be sortable, and change dynamically as the sorting and filtering applied to the table is altered by the end user.

This example shows how this can be achieved with DataTables, where the first column is the counter column, and is updated when sorting or filtering occurs. Also the first column is marked as un-sortable and initial sorting is applied only on the second column.

Live example

Index Rendering engine Browser Platform(s) Engine version CSS grade
1 Trident Internet Explorer 4.0 Win 95+ 4 X
2 Trident Internet Explorer 5.0 Win 95+ 5 C
3 Trident Internet Explorer 5.5 Win 95+ 5.5 A
4 Trident Internet Explorer 6 Win 98+ 6 A
5 Trident Internet Explorer 7 Win XP SP2+ 7 A
6 Trident AOL browser (AOL desktop) Win XP 6 A
7 Gecko Firefox 1.0 Win 98+ / OSX.2+ 1.7 A
8 Gecko Firefox 1.5 Win 98+ / OSX.2+ 1.8 A
9 Gecko Firefox 2.0 Win 98+ / OSX.2+ 1.8 A
10 Gecko Firefox 3.0 Win 2k+ / OSX.3+ 1.9 A
11 Gecko Camino 1.0 OSX.2+ 1.8 A
12 Gecko Camino 1.5 OSX.3+ 1.8 A
13 Gecko Netscape 7.2 Win 95+ / Mac OS 8.6-9.2 1.7 A
14 Gecko Netscape Browser 8 Win 98SE+ 1.7 A
15 Gecko Netscape Navigator 9 Win 98+ / OSX.2+ 1.8 A
16 Gecko Mozilla 1.0 Win 95+ / OSX.1+ 1 A
17 Gecko Mozilla 1.1 Win 95+ / OSX.1+ 1.1 A
18 Gecko Mozilla 1.2 Win 95+ / OSX.1+ 1.2 A
19 Gecko Mozilla 1.3 Win 95+ / OSX.1+ 1.3 A
20 Gecko Mozilla 1.4 Win 95+ / OSX.1+ 1.4 A
21 Gecko Mozilla 1.5 Win 95+ / OSX.1+ 1.5 A
22 Gecko Mozilla 1.6 Win 95+ / OSX.1+ 1.6 A
23 Gecko Mozilla 1.7 Win 98+ / OSX.1+ 1.7 A
24 Gecko Mozilla 1.8 Win 98+ / OSX.1+ 1.8 A
25 Gecko Seamonkey 1.1 Win 98+ / OSX.2+ 1.8 A
26 Gecko Epiphany 2.20 Gnome 1.8 A
27 Webkit Safari 1.2 OSX.3 125.5 A
28 Webkit Safari 1.3 OSX.3 312.8 A
29 Webkit Safari 2.0 OSX.4+ 419.3 A
30 Webkit Safari 3.0 OSX.4+ 522.1 A
31 Webkit OmniWeb 5.5 OSX.4+ 420 A
32 Webkit iPod Touch / iPhone iPod 420.1 A
33 Webkit S60 S60 413 A
34 Presto Opera 7.0 Win 95+ / OSX.1+ - A
35 Presto Opera 7.5 Win 95+ / OSX.2+ - A
36 Presto Opera 8.0 Win 95+ / OSX.2+ - A
37 Presto Opera 8.5 Win 95+ / OSX.2+ - A
38 Presto Opera 9.0 Win 95+ / OSX.3+ - A
39 Presto Opera 9.2 Win 88+ / OSX.3+ - A
40 Presto Opera 9.5 Win 88+ / OSX.3+ - A
41 Presto Opera for Wii Wii - A
42 Presto Nokia N800 N800 - A
43 Presto Nintendo DS browser Nintendo DS 8.5 C/A1
44 KHTML Konqureror 3.1 KDE 3.1 3.1 C
45 KHTML Konqureror 3.3 KDE 3.3 3.3 A
46 KHTML Konqureror 3.5 KDE 3.5 3.5 A
47 Tasman Internet Explorer 4.5 Mac OS 8-9 - X
48 Tasman Internet Explorer 5.1 Mac OS 7.6-9 1 C
49 Tasman Internet Explorer 5.2 Mac OS 8-X 1 C
50 Misc NetFront 3.1 Embedded devices - C
51 Misc NetFront 3.4 Embedded devices - A
52 Misc Dillo 0.8 Embedded devices - X
53 Misc Links Text only - X
54 Misc Lynx Text only - X
55 Misc IE Mobile Windows Mobile 6 - C
56 Misc PSP browser PSP - C
57 Other browsers All others - - U
Index Rendering engine Browser Platform(s) Engine version CSS grade

Initialisation code

$(document).ready(function() {
	$('#example').dataTable( {
		"fnDrawCallback": function ( oSettings ) {
			/* Need to redo the counters if filtered or sorted */
			if ( oSettings.bSorted || oSettings.bFiltered )
			{
				this.$('td:first-child', {"filter":"applied"}).each( function (i) {
					that.fnUpdate( i+1, this.parentNode, 0, false, false );
				} );
			}
		},
		"aoColumnDefs": [
			{ "bSortable": false, "aTargets": [ 0 ] }
		],
		"aaSorting": [[ 1, 'asc' ]]
	} );
} );

Other examples