using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;
using System.Data.OleDb;
namespace sms
{
	/// <summary>
	/// _default 的摘要說明。
	/// </summary>
	public partial class _default : System.Web.UI.Page
	{
	
		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 Form Designer generated code
		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 Btn_enter_Click(object sender, System.EventArgs e)
		{
            sms.user User = new sms.user();
            bool isOk = User.Login(Tbx_userid.Text.Trim(), Tbx_userpwd.Text.Trim());
			if(isOk)
			{
                string strconn = System.Configuration.ConfigurationManager.AppSettings["conn"];
                OleDbConnection  cn = new OleDbConnection(strconn);
                cn.Open();
                string strsql = "select * from users where User_id='" + Tbx_userid.Text + "'and User_password='" + Tbx_userpwd.Text + "'";
                OleDbCommand   cm = new OleDbCommand(strsql, cn);
                OleDbDataReader dr = cm.ExecuteReader();
                if (dr.Read())
                {
                    Session["User_id"] = dr["User_id"];
                    Session["User_power"] = dr["User_power"];
                }
				if((int)Session["User_power"]==0)
				{
					Response.Redirect("~/studentquery/query.aspx");
				}
				else if((int)Session["User_power"]==1) 
                     {
					     Response.Redirect("~/studentmanage/student.aspx");
				     }
                     else
                     {
                         Response.Redirect("~/teacherquery/tquery.aspx");
                     }
                cn.Close();
			}
			else
			{
					Lbl_note.Text="對不起，登陸失敗！";
		    }
           
		}
        protected void Tbx_userid_TextChanged(object sender, EventArgs e)
        {

        }
}
}