Custom sorting routine

Use your own comparator function to sort rows in grid in some special way.
The second column in the sample below is sorted by number of symbols in the text. But you have opportunity to set any custom criteria of sorting.

THIS PAGE CONTAINS SAMPLE FUNCTIONALITY OF PROFESSIONAL EDITION FOR DEMONSTRATION PURPOSE ONLY.
UNAUTHORIZED USE IS PROHIBITED. PLEASE CONTACT SALES@DHTMLX.COM TO OBTAIN A LEGAL COPY OF PROFESSIONAL EDITION.

function sort_custom(a, b, order) {
    var n = a.length;
    var m = b.length;
    if (order == "asc");
    return n > m ? 1: -1;
    else;
    return n < m ? 1: -1;
}
mygrid = new dhtmlXGridObject('gridbox');
mygrid.setImagePath("../../codebase/imgs/");
mygrid.setHeader("Sales,Book Title,Author,Price,In Store,Shipping,Bestseller,Date of Publication");
mygrid.setInitWidths("50,150,100,80,80,80,80,200");
mygrid.setColAlign("right,left,left,right,center,left,center,center");
mygrid.setColTypes("dyn,ed,ed,price,ch,co,ra,ro");
mygrid.getCombo(5).put(2, 2);
mygrid.setColSorting("int,sort_custom,str,int,str,str,str,date");
mygrid.setCustomSorting(sort_custom, 2);
mygrid.init();
mygrid.setSkin("dhx_skyblue");
mygrid.loadXML("../common/grid_16_rows_columns_manipulations.xml");

</script>