c# - Issue Related to ItemClick Event in ASPXMenu in Devexpress

Question

I have ASPXMenu and Bind Items from the database.. I have added ItemClickEvent..

it does fire on Parant Menu

but when i click on Items under the Parant Item.. it doesn't fire.

how can fire it?

 protected void mMain_ItemClick(object source, DevExpress.Web.ASPxMenu.MenuItemEventArgs e)
    {
        string s = "";
    }