using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
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 .SqlClient ;


namespace WMS
{
	/// <summary>
	/// PasswordModify 的摘要說明。
	/// </summary>
	public partial class PasswordModify : System.Web.UI.Page
	{
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{
					lbl_uid.Text =Session["UID"].ToString ();
			}
		}

		#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_submit_Click(object sender, System.EventArgs e)
		{
			//從文件Web.config中讀取連接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//連接本地計算機的WMS數據庫
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			//構造SQL語句，該語句在Users表中檢查用戶名和密碼是否正確
			string mysql= "select * from Users where Uid='"+lbl_uid.Text +"'and UPassword='"+tbx_upassword.Text +"'";
			//創建Command對象
			SqlCommand cm=new SqlCommand  (mysql,cn);
			//執行ExecuteReader ()方法
			SqlDataReader dr=cm.ExecuteReader ();
			if(dr.Read ())
			{
				//修改密碼
				SqlConnection cn1= new SqlConnection (strconn);
				cn1.Open ();
				SqlCommand cm1=new SqlCommand  ("userspasswdmodify",cn1);
				cm1.CommandType =CommandType .StoredProcedure ;
				cm1.Parameters .Add ("@UID",SqlDbType.VarChar  );
				cm1.Parameters .Add ("@UPassword",SqlDbType.VarChar  );
				cm1.Parameters ["@UID"].Value =lbl_uid.Text .ToString ();
				cm1.Parameters ["@UPassword"].Value =tbx_newpassword.Text .ToString ();
				cm1.ExecuteNonQuery ();
				cn1.Close ();
				lbl_message.Text="密碼修改成功，請返回后驗證新密碼";

			}
			else
			{
				lbl_message.Text ="對不起，您輸入的原密碼不正確，請重新輸入";
			}
			//關閉連接
			cn.Close();
		}
	}
}