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log.aspx.cs：源码内容

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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.OleDb;
using System.Text;
using System.Security.Cryptography;
public partial class log : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    
    protected void logButton_Click1(object sender, EventArgs e)
    {
        if (UserName.Text == "")
        {
            if (Password.Text == "")
            {
                Response.Write("<script>alert('用户名和密码不能为空')</script>");
            }
            else
            {
                Response.Write("<script>alert('用户名和密码不能为空')</script>");
            }
        }
        string strConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("~/App_Data/zzu.mdb") + ";";
        OleDbConnection conn = new OleDbConnection(strConnection);
        conn.Open();
        OleDbCommand cmd1 = new OleDbCommand("select*from [Member] where name='" + UserName.Text.ToString() + "'and password='" + Password.Text.ToString() + "'");
        cmd1.Connection = conn;
        OleDbDataReader dr = cmd1.ExecuteReader();
        if (dr.Read())
        {
            Session["name"] = dr["name"].ToString();
            Session.Add("password", Password.Text);
            
            Response.Redirect("GoodsList.aspx");
        }
        else
        {
            Response.Write("<script>alert('用户名或密码错误')</script>");
            UserName.Text = "";
            Password.Text = "";
        }
       
        conn.Close();
    }
  
    
    protected void regButton_Click(object sender, EventArgs e)
    {
        Response.Redirect("reg.aspx");
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Redirect("zhaohuimima.aspx");
    }
    protected void back_Click(object sender, EventArgs e)
    {
        Response.Write("<script language=javascript>history.go(-2);</script>"); 
    }
}

						