webusercontrol.ascx.cs

完成一个网上书店系统

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

public partial class WebUserControl : System.Web.UI.UserControl
{
    Class1 db = new Class1();
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        //登录
        String name = TextBox1.Text.ToString();
        string pass = TextBox2.Text;
        string sql = string.Format("select * from Users where UserName='{0}'and Password='{1}'", name.Trim(), pass.Trim());
        SqlDataReader dr = db.Reader(sql);
        if (dr.Read())
        {
            Session["UserName"] = name;
          
            Session["UserID"] = dr.GetInt32(0);
            Boolean userright = dr.GetBoolean(8);
            Session["UserRight"] = userright;
            if (!userright)
            {
                Session["Role"] = "普通用户";
                Response.Redirect("favorite.aspx");
            }
            else
            {
                Session["Role"] = "管理员";
                Response.Redirect("AdminMain.aspx");
            }
        }
        else
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "MessageBox", "alert('用户名和密码错误')", true);
        }

    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        //注册
        Response.Redirect("register.aspx");
    }
}