RoomCheckOut.aspx.cs

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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 HMS
{
	/// <summary>
	/// RoomCheckOut 的摘要说明。
	/// </summary>
	public partial class RoomCheckOut : System.Web.UI.Page
	{
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{	//绑定各Label数据
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的HMS数据库
				SqlConnection cn= new SqlConnection (strconn);
				cn.Open ();
				SqlCommand cm=new SqlCommand  ("occupydetail",cn);
				cm.CommandType =CommandType .StoredProcedure ;
				cm.Parameters .Add ("@ORID",SqlDbType.VarChar );
				cm.Parameters ["@ORID"].Value =Request.QueryString ["rid"].ToString ();
				SqlDataReader dr=cm.ExecuteReader ();
				if(dr.Read ())//存在对应项
				{
					lbl_orid.Text =dr["orid"].ToString ();
					lbl_obegindate.Text =dr["obegindate"].ToString ();
					lbl_ogidcard.Text =dr["ogidcard"].ToString ();
					lbl_ogname.Text=dr["ogname"].ToString ();
					lbl_oenddate.Text =System.DateTime .Now.ToString () ;
					//计算日期的差值
					TimeSpan during=System.DateTime.Now.Date - Convert.ToDateTime (dr["obegindate"].ToString ()).Date;
					int varduring=during.Days ;
					if(varduring==0)	//当天订房，当天退房
					{
						lbl_opay.Text =Convert.ToDouble (dr["tprice"].ToString ()).ToString ();
					}
					else
					{	
						//总费用=单价*天数
						lbl_opay.Text = Convert.ToString (Convert.ToDouble (dr["tprice"].ToString ())*varduring);
					}
				}
				else
				{
					Response.Write ("对不起，没有该信息");
					Response.End ();
				}