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            function cityResult()
            {
                var city=document.getElementById("DropDownList1");
                //AjaxMethod.GetCityList(city.value,get_city_Result_CallBack);
                get_city_Result_CallBack(AJAXDataSet.GetCityList(city.value));
            }
           
            function get_city_Result_CallBack(response)
            {
                if (response.value != null)
                {                   
                    //debugger;
                    document.all("DropDownList2").length=0;¡¡¡¡¡¡¡¡      &nb


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