前台：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebAppQQ空间相册功能.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<div> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <table><tr><td>用户名</td><td> <asp:TextBox ID="txtUserName" runat="server"></asp:TextBox> <asp:LinkButton ID="LinkButton1" runat="server" onclick="LinkButton1_Click">验证用户名是否存在</asp:LinkButton><asp:Label ID="lbinfo" runat="server" Text=""></asp:Label></td></tr> <tr><td>密码</td><td> <asp:TextBox ID="txtPwd" runat="server"></asp:TextBox></td></tr> <tr><td>确认密码</td><td> <asp:TextBox ID="txtPwdOk" runat="server"></asp:TextBox></td></tr> <tr><td> <asp:Button ID="Button1" runat="server" Text="注册" /></td></tr></table> </ContentTemplate> </asp:UpdatePanel> </div> </form> </body> </html>
原文链接：https://www.f2er.com/ajax/166407.html