0x800a139e-Microsoft JScript运行时错误：语法错误，无法识别的表达式：

Question

当我在〜和/ in href中使用它时，它的工作正常，但是当我在下拉列表中使用href并做同样的事情时，它给我一个错误

"0x800a139e - Microsoft JScript runtime error: Syntax error, unrecognized expression:/ManualPages/PersonalDetails/EmployeeInformation.aspx"  

              <div class="navbar-collapse collapse"> 
               <ul class="nav nav-pills nav-stacked">
                   <li ><a runat="server" href="~/About">Dashboard</a></li>
                  <li><a href="ManualPages/Dashboard.aspx">Dashboard</a> 
                  </li>

                 <li class="dropdown">
                    <a class="dropdown-toggle" data-toggle="dropdown"  aria-expanded="false">
                      Personal Details <span class="caret"></span>
                    </a>
                    <ul class="dropdown-menu">
                      <li><a href="/ManualPages/PersonalDetails/EmployeeInformation.aspx" data-toggle="tab">Employee Information</a></li>
                      <li class="divider"></li>
                      <li><a href="/ManualPages/Personaldetails/EmployeeFinancingInformation" data-toggle="tab">Employee financing Information</a></li>
                    </ul>
                 </li>