QueryFlight.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 AirQuery.Class;
using AirQuery.entity;

namespace AirQuery
{
	/// <summary>
	/// QueryFlight 的摘要说明。
	/// </summary>
	public class QueryFlight : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList ddlDepartureCity;
		protected System.Web.UI.WebControls.DropDownList ddlArrivalCity;
		protected System.Web.UI.WebControls.TextBox txtBeginDate;
		protected System.Web.UI.WebControls.TextBox txtEndDate;
		protected System.Web.UI.WebControls.ImageButton btnSearch;
		protected System.Web.UI.WebControls.DataGrid dtgFlight;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.CompareValidator CompareValidator1;
		protected System.Web.UI.WebControls.CompareValidator CompareValidator2;
		protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator2;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
				GetAllCity();
			}
		}

		#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);