表示层

设计如图:

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

<!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>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        用户名:<asp:TextBox ID="usernmae" runat="server"></asp:TextBox>
        <br />
        密 码:<asp:TextBox ID="password" runat="server" TextMode="Password"></asp:TextBox>
        <br />
        <asp:Button ID="btnSubmit" runat="server" Text="登陆" onclick="btnSubmit_Click" />
    </div>
    </form>
</body>
</html>

双击登陆按钮打开后置cs代码:

protected void btnSubmit_Click(object sender, EventArgs e)
    {
        Member member;
        if (this.usernmae.Text.Trim().Length == 0)
        {
            Response.Write("<script>alert('请输入用户名')</script>");
        }
        else if(this.password.Text.Trim().Length == 0)
        {
            Response.Write("<script>alert('请输入密码')</script>");
        }
        else if (MemberManage.Login(this.usernmae.Text, this.password.Text, out member))
        {
            Session["Member"] = member;
            Response.Redirect("default.aspx");
        }
        else
        {
            Response.Write("<script>alert('用户名或密码错误!')</script>");
        }

    }


 

原文地址:https://www.cnblogs.com/scsuns520/p/1633032.html