default.aspx.cs

这是asp.net^和Visual C++Sharp编写的串并口通讯的书籍 源代码

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class login_login : System.Web.UI.Page
{
    BaseClass bc = new BaseClass();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Label1.Text =  new randomCode().RandomNum(4);   //产生验证码
        }
        //checkCode.DrawImage();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        TextBox1.Text= TextBox1.Text;
        TextBox2.Text =TextBox2.Text;
        if (TextBox3.Text == "" || TextBox3.Text != Label1.Text)
        {
            Response.Write(bc.MessageBox("验证码不正确！"));
            return;
        }
        if (bc.checkLogin(TextBox1.Text, TextBox2.Text) > 0)
        {
            //登陆成功
                Response.Write("<script language=javascript>location.href='manage/default.aspx'</script>");
                Session["loginName"] =TextBox1.Text;
        }
        else
        {
            Response.Write(bc.MessageBox("用户名或密码错误!"));
        }   
    }
}