JQuery uses $. ajax for instant verification _ jquery

This article mainly introduces jQuery's usage of $. the method of real-time ajax verification analyzes in detail the skills related to jQuery's ajax-based foreground verification and background data interaction, which is very simple and practical, for more information about jQuery usage, see the example in this article. real-time ajax verification method. We will share this with you for your reference. The details are as follows:

Use jQuery and the general handler to instantly verify that the student ID entered by the user is repeated. when the cursor leaves the input box, a prompt is displayed.

<% @ Page Language = "C #" AutoEventWireup = "true" CodeFile = "AddStudent. aspx. cs" Inherits = "AddStudent" %>