how to display a kendoui tree view with some parents not having childs

Hi...

Please suggest me some way how to display a kedo ui tree view with some parents having childs and some parents not having childs..............

Here in my project the parents which are having childs are displaying but the parents not having childs are not displaying, here i need to display the parents not having childs in order to add childs to them when the parent node is selected....

Thankyou,

Ruqsana.