c# - Dropdown onclick server side -


i have dropdown defined within nav-bar (http://getbootstrap.com/components/#nav-dropdowns) , want to, when click on dropdown function on server side executed.

my dropdown:

<li role="presentation" class="dropdown">     <a href="../#" id="nots" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">         <span class="glyphicon glyphicon-bell" aria-hidden="true"><span id="not" class="badge">3</span></span>      </a>       <ul id="notificacoes" class="dropdown-menu" role="menu">           <li role="presentation">               <a runat="server" onserverclick="setvisivel" role="menuitem" tabindex="-1" href="../admin/verrevisoes?id=1144">               revisões caso 1144 estão completas               </a>           </li>           <li role="presentation">               <a runat="server" onserverclick="setvisivel" role="menuitem" tabindex="-1" href="../admin/verrevisao?id=7">               foi adicionada uma nova revisão ao caso 1144               </a>           </li>           <li role="presentation">               <a runat="server" onserverclick="setvisivel" role="menuitem" tabindex="-1" href="../admin/casos">               o caso 1145 foi adicionado pelo utilizador 1               </a>           </li>      </ul>  </li>

and funtion setvisivel c# , it's on server side:

protected void setvisivel(object sender, eventargs e)     {         dbconfactory.getinstance().setvisiblenotificacao(int.parse(context.user.identity.getusername()));     }

but when click dropdown, function setvisivel not called!

make sure have set property of asp.net dropdown control: autopostback="true" (like explained in msdn online: https://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.listcontrol.autopostback%28v=vs.110%29.aspx )

working example, dropdownlist declared as:

<asp:dropdownlist id="cmbselectchannel" runat="server" autopostback="true"/>

hope may help. best regards,


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