protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            //假设在第一层里面嵌套了一个名叫Repeater2 的
            var temp = e.Item.FindControl("Repeater2") as Repeater;
            temp.ItemDataBound += new RepeaterItemEventHandler(temp_ItemDataBound);
        }
        void temp_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            //假设在第二层里面嵌套了一个名叫Repeater3的
            var temp = e.Item.FindControl("Repeater3") as Repeater;
            temp.ItemDataBound += new RepeaterItemEventHandler(temp_ItemDataBound1);
        }
        void temp_ItemDataBound1(object sender, RepeaterItemEventArgs e)
        {
            //..以此类推
        }