underline ligne in datatable

hi,

i want to underline in red a line where id=3 for instance but i don’t know how to do. Somebody can help me ?

grid = webix.ui({

			container:"testA",

			view:"datatable",

			columns:[

				{ id:"rank",	header:"", css:"rank",  		width:50},

				{ id:"title",	header:"Film title",width:200},

				{ id:"year",	header:"Released" , width:80},

				{ id:"votes",	header:"Votes", 	width:100}

			],

			select:"cell",

			autoheight:true,

			autowidth:true,


			on:{

				onSelectChange:function(){

					var text = "Selected: 

"+grid.getSelectedId(true).join();

					document.getElementById('testB').innerHTML = text;
				}
			},

			data:small_film_set
		});		
	});

Please check the attached example

http://webix.com/snippet/fc0042cf

Also, you can use addRowCss API to set classes dynamically.
http://docs.webix.com/api__ui.datatable_addrowcss.html