Custom Navigation Bar header

WH01Nav.cshtml

  <nav role="navigation" class="navbar navbar-default">
        <div class="navbar-header">
            <button type="button" data-target="#navbarCollapse" data-toggle="collapse" class="navbar-toggle">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
           <a href="/DOutlet/Index" class="navbar-brand">Outlet D1</a>
        </div>
        <form role="search" class="navbar-form navbar-left" action="/Home/Search" name="searchForm" method="post">

            <div class="form-group" style="margin-left: 15px; margin-right: 15px;">

                <div class="input-group">
                    <input type="text" class="form-control" id="searchDialog" name="searchDialog" placeholder="Search" style="height: 36px" />
                    <div class="input-group-addon">
                        <button type="submit">Search</button>
                    </div>
                </div>
                <div class="well well-sm">

                    <div class="checkbox">
                        <label>
                            <input type="checkbox" name="cbProduct">
                            PRODUCT
                        </label>
                    </div>
                    <div class="checkbox">
                        <label>
                            <input type="checkbox" name="cbShipment">
                            SHIPMENT
                        </label>
                    </div>
                    <div class="checkbox">
                        <label>
                            <input type="checkbox" name="cbGridview">
                           Grid view
                        </label>
                    </div>
                </div>
            </div>
        </form>
        <div id="navbarCollapse" class="collapse navbar-collapse">
            <ul class="nav navbar-nav">
             <li class="dropdown">
                    <a data-toggle="dropdown" class="dropdown-toggle" href="#">Options<b class="caret"></b></a>
                    <ul role="menu" class="dropdown-menu">
                      <li><a href="/Home/NewProduct">Add new product</a></li>
                        <li><a href="/Home/NewShipment">Make new order</a></li>
                        <li><a href="#">Change product status</a></li>
                        <li class="divider"></li>
                        <li><a href="#">Trash</a></li>
                    </ul>
                </li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">Login</a></li>
            </ul>
        </div>
    </nav>