var dropDownList = document.getElementById("ddl_sheng"); //获取DropDownList控件 var dropDownListValue = dropDownList.options[dropDownList.selectedIndex].value; //获取选择项的值
var dropDownList = document.getElementById("ddl_sheng"); //获取DropDownList控件 var dropDownListValue = dropDownList.options[dropDownList.selectedIndex].value; //获取选择项的值