login.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 AdminManage_Login : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //Random randobj = new Random();
            //labCode.Text = randobj.Next(1000, 10000).ToString();
        }
    }
    protected void ImageButton2_Click(object sender, ImageClickEventArgs e)
    {//登录
        SqlConnection sqlconn = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
        sqlconn.Open();
        string sqlstr = "select * from tb_Member where MemberName='" + txtUser.Text.Trim() + "' and MemberPWD='" + txtPass.Text.Trim() + "'";
        SqlCommand sqlcom = new SqlCommand(sqlstr, sqlconn);
       int  intCount = Convert.ToInt32(sqlcom.ExecuteScalar());
       if (intCount != 0)
       {
           Response.Redirect("SuccReg.aspx");
           Session["username"]= txtUser.Text.Trim();
       }
       else
       {
           Response.Write("<script language='javascript'>alert('您输入的用户名或密码错误，请重新输入!')</script>");
       }
    
    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {//取消
        Response.Write("<script language='javascript'>window.close();</script>");  
    }
}