queryflight.aspx.cs

ASP.net实现的在线航空订票查询系统

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;

namespace Aptech.AirTicket.Web.Flight
{
	using Air.Class;
	using Air.entity;

	/// <summary>
	/// QueryFlight 的摘要说明。
	/// </summary>
	public class QueryFlight : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtBeginDate;
		protected System.Web.UI.WebControls.TextBox txtEndDate;
		protected System.Web.UI.WebControls.DropDownList ddlDepartureCity;
		protected System.Web.UI.WebControls.ImageButton btnSearch;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;
		protected System.Web.UI.WebControls.CompareValidator CompareValidator1;
		protected System.Web.UI.WebControls.CompareValidator CompareValidator2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator2;
		protected System.Web.UI.WebControls.DataGrid dtgFlight;
		protected System.Web.UI.WebControls.DropDownList ddlArrivalCity;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack)
			{
				GetAllCity();
			}
		}

		private void GetAllCity()
		{
			Citys citys = new Citys();
			CityData cityData = new CityData();
			try
			{
				cityData = citys.GetAllCity();
			}
			catch(Exception e)
			{
				Response.Write(e.Message + "，内部错误：" + e.InnerException.Message);
			}

			ddlDepartureCity.DataSource = cityData.City;
			ddlDepartureCity.DataTextField = cityData.City.CityNameColumn.ColumnName;
			ddlDepartureCity.DataValueField = cityData.City.CityIdColumn.ColumnName;
			ddlDepartureCity.DataBind();

			ddlArrivalCity.DataSource = cityData.City;
			ddlArrivalCity.DataTextField = cityData.City.CityNameColumn.ColumnName;
			ddlArrivalCity.DataValueField = cityData.City.CityIdColumn.ColumnName;
			ddlArrivalCity.DataBind();
		}

		private void GetFlight()
		{
			Flights.Condition condition = new Air.Class.Flights.Condition();
			condition._ArrivalCityId = Convert.ToInt32(ddlArrivalCity.SelectedValue);
			condition._DepartureCityId = Convert.ToInt32(ddlDepartureCity.SelectedValue);
			condition._BeginDate = Convert.ToDateTime(txtBeginDate.Text);
			condition._EndDate = Convert.ToDateTime(txtEndDate.Text);

			Flights flights = new Flights();
			FlightData flightData = new FlightData();
			try
			{
				flightData = flights.GetFlights(condition);
			}
			catch(Exception e)
			{
				Response.Write(e.Message + ",内部错误：" + e.InnerException.Message);
			}
			dtgFlight.DataSource = flightData.Flight;
			dtgFlight.DataBind();
			for(int i =0; i < dtgFlight.Items.Count; i ++)
			{
				DataGrid dtgCabin = (DataGrid)dtgFlight.Items[i].FindControl("dtgCabin");
				dtgCabin.DataSource = flightData.Flight[i].GetCabinRowsByFlightCabin();
				dtgCabin.DataBind();
			}
		}


		#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.btnSearch.Click += new System.Web.UI.ImageClickEventHandler(this.btnSearch_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSearch_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			GetFlight();
		}

	}
}