```var numberTd = "
"+(i+1)+"";var checkboxTd = "";
var roleNameTd = ""+roleName+"";
var checkBtn = "<button type='button' class='btn btn-success btn-xs'>" +
"<i class=' glyphicon glyphicon-check'></i></button>";
var pencilBtn = "<button type='button' class='btn btn-primary btn-xs'>" +
"<i class=' glyphicon glyphicon-pencil'></i></button>";
var removeBtn = "<button type='button' class='btn btn-danger btn-xs'>" +
"<i class=' glyphicon glyphicon-remove'></i></button>";
var buttonTd = "<td>"+checkBtn+" "+pencilBtn+" "+removeBtn+"</td>";