?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;

namespace book09
{
    /// <summary>
    /// Login 的摘要說明。
    /// </summary>
    public partial class Migrated_Login : Login
    {

        protected void Page_Load(object sender, System.EventArgs e)
        {
            // 在此處放置用戶代碼以初始化頁面
        }

        #region Web 窗體設計器生成的代碼
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
        /// 此方法的內容。
        /// </summary>
        private void InitializeComponent()
        {

        }
        #endregion

        protected void LoginCustomControl1_Login(object sender, System.EventArgs e)
        {
            int iRet = -1;
            SqlConnection conn = new SqlConnection(
                ConfigurationSettings.AppSettings["ConnectionString"]);

            SqlCommand cmd = conn.CreateCommand();
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.CommandText = "UserLogin";

            string a = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(TextBox2.Text.ToString(), "MD5");

            cmd.Parameters.Add("@username",TextBox1.Text );
            cmd.Parameters.Add("@password",a);

            //存儲過程返回值
            SqlParameter paramOut = cmd.Parameters.Add("@RETURN_VALUE", "");
            paramOut.Direction = ParameterDirection.ReturnValue;

            conn.Open();
            cmd.ExecuteNonQuery();
            conn.Close();
            iRet = (int)cmd.Parameters["@RETURN_VALUE"].Value;

            if (iRet == 0) //登錄成功
            {
                FormsAuthentication.RedirectFromLoginPage(
                    TextBox1.Text, false);
                Session["Username"] = TextBox1.Text;

            }
            else if (iRet == 1) //密碼不正確
            {
                Response.Write("<script>alert('密碼不正確')</script>");
            }
            else if (iRet == 2) //新注冊用戶
            {
                Response.Write("<script>alert('用戶不存在')</script>");
            }




        }
        protected void Button1_Click(object sender, EventArgs e)
        {

        }
}
}