turnoverstatmodule.ascx.cs

酒店客房管理系统的主要任务是对酒店的客房进行管理

namespace JdglWeb.Modules
{
	using System;
	using System.Data;
	using System.Data.SqlClient;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using System.Configuration;

	/// <summary>
	///		TurnOverStatModule 的摘要说明。
	/// </summary>
	public class TurnOverStatModule : ModuleBase
	{
		protected System.Web.UI.WebControls.DropDownList YearFromList;
		protected System.Web.UI.WebControls.DropDownList MouthFromList;
		protected System.Web.UI.WebControls.DropDownList DayFromList;
		protected System.Web.UI.WebControls.DropDownList YearToList;
		protected System.Web.UI.WebControls.DropDownList MouthToList;
		protected System.Web.UI.WebControls.DropDownList DayToList;
		protected System.Web.UI.WebControls.Button ShowAll;
		protected System.Web.UI.WebControls.Label TurnOverLabel;
		protected System.Web.UI.WebControls.DataGrid dg_TurnOverList;
		protected System.Web.UI.WebControls.Button Calculate;
		protected System.Web.UI.WebControls.DropDownList RCategoryNameList;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack) 
			{   
				//
				//绑定房间类型信息下拉列表框
				//
				//从文件Web.config中读取连接字符串
				string sqldb= ConfigurationSettings.AppSettings["ConnectionString"];
				//连接JdglSys数据库
				SqlConnection Conn= new SqlConnection (sqldb);
				Conn.Open ();
				//定义sql语句
				string mysql="select RCategoryId,Name from RoomCategory ";
				SqlCommand cm=new SqlCommand  (mysql,Conn);
				SqlDataReader dr=cm.ExecuteReader ();
				while(dr.Read ())
				{
					ListItem li=new ListItem(dr["Name"].ToString(),dr["RCategoryId"].ToString());
					RCategoryNameList.Items.Add (li);
				}
				Conn.Close ();
                
				Show_TurnOverList();
			}
		}

		protected void  Show_TurnOverList()
		{
			//从文件Web.config中读取连接字符串
			string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
			//连接JdglSys数据库
			SqlConnection Conn = new SqlConnection (sqldb);
			//定义sql
			string selsql="select h.BeginTime,h.EndTime,h.RoomId,c.Name,h.CName,h.CIdentityId,h.CPhone,h.TotalPrice"+
                " from History h,RoomsInfo r,RoomCategory c where r.RoomId=h.RoomId and r.RCategoryId=c.RCategoryId";
			//创建SqlDataAdapter对象,调用存储过程sp_ShowRoomsInfo
			SqlDataAdapter myadapter=new SqlDataAdapter (selsql,Conn);
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);
        
			dg_TurnOverList.DataSource =ds;
			dg_TurnOverList.DataBind ();

			Conn.Close ();
		}

		protected void DataGrid_Page(Object sender,DataGridPageChangedEventArgs E)
		{
			dg_TurnOverList.CurrentPageIndex =E.NewPageIndex ;
			Show_TurnOverList();
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		///		设计器支持所需的方法 - 不要使用代码编辑器
		///		修改此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.Calculate.Click += new System.EventHandler(this.Calculate_Click);
			this.ShowAll.Click += new System.EventHandler(this.ShowAll_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Calculate_Click(object sender, System.EventArgs e)
		{
			dg_TurnOverList.CurrentPageIndex=0;

			//从文件Web.config中读取连接字符串
			string sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
			//连接JdglSys数据库
			SqlConnection Conn = new SqlConnection (sqldb);
			//定义sql语句
			String selsql="select h.BeginTime,h.EndTime,h.RoomId,c.Name,h.CName,h.CIdentityId,h.CPhone,h.TotalPrice"+
				" from History h,RoomsInfo r,RoomCategory c where r.RoomId=h.RoomId and r.RCategoryId=c.RCategoryId";
			//读取时间纪录
			string datefrom=YearFromList.SelectedItem.Value.ToString()+"-"+MouthFromList.SelectedItem.Value.ToString()+"-"+DayFromList.SelectedItem.Value.ToString();
			string dateto=YearToList.SelectedItem.Value.ToString()+"-"+MouthToList.SelectedItem.Value.ToString()+"-"+DayToList.SelectedItem.Value.ToString();
			selsql=selsql+" and h.BeginTime between '"+datefrom+"'and'"+dateto+"'";
			//读取方式记录
			if(RCategoryNameList.SelectedIndex!=0)
			{
				selsql=selsql+" and c.RCategoryId='"+RCategoryNameList.SelectedIndex+"'";
			}
			//创建SqlDataAdapter对象,调用selsql
			SqlDataAdapter myadapter = new SqlDataAdapter (selsql,Conn);
			//创建并填充DataSet
			DataSet ds = new DataSet ();
			myadapter.Fill (ds);

			dg_TurnOverList.DataSource =ds;
			dg_TurnOverList.DataBind ();
			
			//计算营业额
			double SumPrice=0;
			for(int i=0;i<dg_TurnOverList.Items.Count;i++){
			    
                DataRow dr=ds.Tables[0].Rows[i];
				SumPrice=SumPrice+Convert.ToDouble(dr["TotalPrice"].ToString());
			}
            TurnOverLabel.Text=SumPrice.ToString();
			//关闭Conn
			Conn.Close ();
		}

		private void ShowAll_Click(object sender, System.EventArgs e)
		{
		    Show_TurnOverList();
		}
	}
}