<select class="input04" name="in_class1" onchange="setchange1(this)" >
<option selected="selected" value="0"> < 请选择 > </option>
<option value="1">哈哈哈</option>
</select>
function setchange1(v) {
var cg=parseInt(v.id) + 1;
$.post("../../tools/yiliaofuwu.ashx", { "action": "one","parenid":v.value }, function (data) {
var table = data.r;
// $("#" + cg).attr("disabled", "false");
$("#" + cg).removeAttr("disabled");
$("#" + cg).empty();
$("#" + cg).append("<option selected='selected' value=0>请选择..</option>");
for (var i = 0; i < table.length; i++) {
var item = table[i];
// var option = $("<option value="+item.id+">"+item.name+"</option>");
$("#" + cg).append("<option value=" + item.Id + ">" + item.Name + "</option>");
}
//返回的是json格式的数据
}, "json");
}