更新时间:2023-10-17 18:33:22
( document ).ready( function (){
// 我们使用jQuery内置更改事件绑定onchange事件
(document).ready(function () { //We are binding onchange event using jQuery built-in change event
(' #ddlSubject')。change( functi on (){
// 获取选定的值并检查是否选择了主题其他显示提醒框
var SelectedValue =
('#ddlSubject').change(function () { //get selected value and check if subject is selected else show alert box var SelectedValue =
( #ddlSubject)。val();
if (SelectedValue> 0 ){
// 获取所选文本并设置为标签
var SelectedText =
("#ddlSubject").val(); if (SelectedValue > 0) { //get selected text and set to label var SelectedText =