c# - Appending dropdown menu to specific menuitem in Kendo UI -

i have created menubar in kendo ui follows

@html.kendo().menu().name("navigationmenu").items(items =>         {             if (request.isauthenticated)             {                 foreach (searchhub.models.shared.submodule s in viewbag.submodule)                 {                     items.add().htmlattributes(new { id = s.controller }).text(s.title).action("index", s.controller);                  }                 items.add().htmlattributes(new { id = "td" }).text("training").action("index", "td")  ;              }             else             {                 items.add().text("login").action("index", "login");             }         }) ; 

this viewing below:

i want have drop down menu teacher , student when keep mouse on traning menu item.

for tried append <ul> <li> :

  items.add().htmlattributes(new { id = s.controller }).text(s.title).action("index", s.controller).append... ; 

but .append not function on here menu item.

i want same functionality in simple asp.net-jquery slidedown()

how can have drop down menu item when have mouse on training???

please me, new mvc4 , kendo ui in asp.net