ASP.NET(DropDownList Tooltip)

//Simple way to add tooltip in dropdown on asp.net

//OnPreRender of your DropDown Call this this method it will create your tooltip automaticly!

        public static void SetToolTiptitle(DropDownList ddl)

        {

            foreach (ListItem li in ddl.Items)

            {

                li.Attributes.Add("title", li.Text);

            }

        }