How to current menu active
i.e. if i selected and go to that page then the dropdown menu need to active( 
<li class="active treeview">
) in dynamically in asp .net c#.
I want by using jquery or javascript in c#.
All the leftside dropdown list are available in masterpage.
  <li class="treeview" id="settingId" runat="server">
                                <a href="#">
                                    <i class="fa fa-files-o"></i>
                                    <span>SETTING</span>
                                   
                                </a>
                                <ul class="treeview-menu">
                                    <li><a href=""><i class="fa fa-circle-o"></i>CATEGORY MANAGEMENT</a></li>
                                    <li><a href=""><i class="fa fa-circle-o"></i>ADD CATEGORY</a></li>
                                    <li><a href=""><i class="fa fa-circle-o"></i>EMAIL MANAGEMENT</a></li>
                                    <li><a href=""><i class="fa fa-circle-o"></i>CHANGE PASSWORD</a></li>
                                </ul>
                            </li>
     <li class="treeview" id="portfolioId" runat="server">
                            <a href="#">
                                <i class="fa fa-pie-chart"></i>
                                <span>PORTFOLIO</span>
                                <i class="fa fa-angle-left pull-right"></i>
                            </a>
                            <ul class="treeview-menu">
                                <li><a href=""><i class="fa fa-circle-o"></i>PROJECT MANAGEMENT</a></li>
                                <li><a href=""><i class="fa fa-circle-o"></i>ADD PROJECT</a></li>
                                <li><a href=""><i class="fa fa-circle-o"></i>PRODUCT MANAGEMENT</a></li>
                                <li><a href=""><i class="fa fa-circle-o"></i>ADD PRODUCT</a></li>
                            </ul>
                        </li>