Possible Duplicate:
Jquery selectors on custom data attributes on HTML5
How can I select all td with html data attribute equal to some value?
E.G. Fiddle
$("td").dblclick(function (e) {    
    var columnNumber = $(this).data('column');
    console.log(columnNumber);
    $("td column=" + columnNumber).css('background-color', 'blue');;
});
 
     
    