列車時刻查詢系統(北大青鳥大二寒假作業) 源代碼(一)

一共寫了三天終於寫完了.廢話少說,源代碼如下,主要要求用MVC實現,老師還叫我稍微擴展了一下這個系統的功能
主要是數據的導入導出(保存為XML,TXT) . 

1.主界面

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace train
...{
    /**//// <summary>
    /// Form1 的摘要說明。
    /// </summary>
    public class frmMain : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.Label lblbeginstation;
        private System.Windows.Forms.Label lblmidstation;
        private System.Windows.Forms.Label lblfinalstation;
        private System.Windows.Forms.Label lbltrainnum;
        private System.Windows.Forms.TextBox txtbeginstation;
        private System.Windows.Forms.TextBox txtfinalstation;
        private System.Windows.Forms.TextBox txttrainnum;
        private System.Windows.Forms.Button btnquery1;
  &nbs
p;     private System.Windows.Forms.Button btnquery2;
        private System.Windows.Forms.Panel panel1;
        public System.Windows.Forms.TabControl tabdisplay;
        private System.Windows.Forms.TabPage tabmap;
        private System.Windows.Forms.TabPage tabtrainresult;
        private System.Windows.Forms.TabPage tabtraindetails;
        public System.Windows.Forms.DataGrid dgtrainresult;
        public System.Windows.Forms.DataGrid dgtraindetails;
        private System.Windows.Forms.Label lblwlmq;
        private System.Windows.Forms.Label lblhm;
        private System.Windows.Forms.Label lblgel;
        private System.Windows.Forms.Label lblym;
        private System.Windows.Forms.Label lblxl;
        private System.Windows.Forms.Label lbllz;
        private System.Windows.Forms.Label lblxa;
        private System.Windows.Forms.Label lblcd;
        private System.Windows.Forms.Label lblkm;
        private System.Windows.Forms.Label lbllogo;
        private ScheduleSystem schedulesystem;
        private DataGridPrinter printer;
        public System.Windows.Forms.Button btnprint;
        public System.Windows.Forms.ComboBox cboMdiStation;
        public System.Windows.Forms.Button btnexport;
        private ExportData export;
        public System.Windows.Forms.Button btnexportXML;
        private System.Windows.Forms.Button btnImportData;

   /**//// <summary>

        /// 必需的設計器變量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public frmMain()
        ...{
            //
            // Windows 窗體設計器支持所必需的
            //
            Application.EnableVisualStyles();
            InitializeComponent();
            schedulesystem=new ScheduleSystem(this);
            export=new ExportData();
            //
            // TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
            //
        }

        /**//// <summary>
        /// 清理所有正在使用的資源。
        /// </summary>
        protected override void Dispose( bool disposing )

  ...{

            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗體設計器生成的代碼#region Windows 窗體設計器生成的代碼
        /**//// <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()
        ...{
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmMain));
            this.lblbeginstation = new System.Windows.Forms.Label();
            this.lblmidstation = new System.Windows.Forms.Label();
            this.lblfinalstation = new System.Windows.Forms.Label();
            this.txtbeginstation = new System.Windows.Forms.TextBox();
            this.txtfinalstation = new System.Windows.Forms.TextBox();
            this.cboMdiStation = new System.Windows.Forms.ComboBox();
            this.txttrainnum = new System.Windows.Forms.TextBox();
            this.lbltrainnum = new System.Windows.Forms.Label();
            this.btnquery1 = new System.Windows.Forms.Button();
            this.btnquery2 = new System.Windows.Forms.Button();
            this.panel1 = new System.Windows.Forms.Panel();
            this.tabdisplay = new System.Windows.Forms.TabControl();
            this.tabmap = new System.Windows.Forms.TabPage();
            this.lbllogo = new System.Windows.Forms.Label();
            this.lbllz = new System.Windows.Forms.Label();
            this.lblkm = new System.Windows.Forms.Label();
            this.lblcd = new System.Windows.Forms.Label();
            this.lblxa = new System.Windows.Forms.Label();

this.lblxl = new System.Windows.Forms.Label();

            this.lblym = new System.Windows.Forms.Label();
            this.lblgel = new System.Windows.Forms.Label();
            this.lblhm = new System.Windows.Forms.Label();
            this.lblwlmq = new System.Windows.Forms.Label();
            this.tabtrainresult = new System.Windows.Forms.TabPage();
            this.dgtrainresult = new System.Windows.Forms.DataGrid();
            this.tabtraindetails = new System.Windows.Forms.TabPage();
            this.dgtraindetails = new System.Windows.Forms.DataGrid();
            this.btnprint = new System.Windows.Forms.Button();
            this.btnexport = new System.Windows.Forms.Button();
            this.btnexportXML = new System.Windows.Forms.Button();
            this.btnImportData = new System.Windows.Forms.Button();
            this.panel1.SuspendLayout();
            this.tabdisplay.SuspendLayout();
            this.tabmap.SuspendLayout();
            this.tabtrainresult.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.dgtrainresult)).BeginInit();
            this.tabtraindetails.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.dgtraindetails)).BeginInit();
            this.SuspendLayout();
            // 
            // lblbeginstation
            // 
            this.lblbeginstation.Location = new System.Drawing.Point(8, 16);
            this.lblbeginstation.Name = "lblbeginstation";
    &nbsp;       this.lblbeginstation.Size = new System.Drawing.Size(56, 16);
            this.lblbeginstation.TabIndex = 0;
            this.lblbeginstation.Text = "起始站";
            // 
            // lblmidstation
            // 
            this.lblmidstation.Location = new System.Drawing.Point(112, 16);
            this.lblmidstation.Name = "lblmidstation";
            this.lblmidstation.Size = new System.Drawing.Size(56, 16);
            this.lblmidstation.TabIndex = 1;
            this.lblmidstation.Text = "中轉站";
            // 
            // lblfinalstation
            // 
            this.lblfinalstation.Location = new System.Drawing.Point(216, 16);
            this.lblfinalstation.Name = "lblfinalstation";
            this.lblfinalstation.Size = new System.Drawing.Size(56, 16);
            this.lblfinalstation.TabIndex = 2;
            this.lblfinalstation.Text = "終點站";
            // 
            // txtbeginstation
            // 
            this.txtbeginstation.Location = new System.Drawing.Point(8, 40);
            this.txtbeginstation.Name = "txtbeginstation";
            this.txtbeginstation.TabIndex = 3;
            this.txtbeginstation.Text = "";
            this.txtbeginstation.Enter += new System.EventHandler(this.txtbeginstation_Enter);
     // 
            // txtfinalstation
            // 
            this.txtfinalstation.Location = new System.Drawing.Point(216, 40);
            this.txtfinalstation.Name = "txtfinalstation";
            this.txtfinalstation.TabIndex = 4;
            this.txtfinalstation.Text = "";
            this.txtfinalstation.Enter += new System.EventHandler(this.txtbeginstation_Enter);
            // 
            // cboMdiStation
            // 
            this.cboMdiStation.Location = new System.Drawing.Point(112, 40);
            this.cboMdiStation.Name = "cboMdiStation";
            this.cboMdiStation.Size = new System.Drawing.Size(100, 20);
            this.cboMdiStation.TabIndex = 5;
            this.cboMdiStation.SelectionChangeCommitted += new System.EventHandler(this.cboMdiStation_SelectionChangeCommitted);
            // 
            // txttrainnum
            // 
            this.txttrainnum.Location = new System.Drawing.Point(400, 40);
            this.txttrainnum.Name = "txttrainnum";
            this.txttrainnum.Size = new System.Drawing.Size(56, 21);
            this.txttrainnum.TabIndex = 6;
            this.txttrainnum.Text = "";
            this.txttrainnum.Enter += new System.EventHandler(this.txttrainnum_Enter);
            // 
            // lbltrainnum

      // 

            this.lbltrainnum.Location = new System.Drawing.Point(392, 16);
            this.lbltrainnum.Name = "lbltrainnum";
            this.lbltrainnum.Size = new System.Drawing.Size(56, 16);
            this.lbltrainnum.TabIndex = 7;
            this.lbltrainnum.Text = "車次";
            // 
            // btnquery1
            // 
            this.btnquery1.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.btnquery1.Location = new System.Drawing.Point(320, 40);
            this.btnquery1.Name = "btnquery1";
            this.btnquery1.TabIndex = 8;
            this.btnquery1.Text = "確定";
            this.btnquery1.Click += new System.EventHandler(this.btnquery1_Click);
            // 
            // btnquery2
            // 
            this.btnquery2.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.btnquery2.Location = new System.Drawing.Point(464, 40);
            this.btnquery2.Name = "btnquery2";
            this.btnquery2.TabIndex = 9;
            this.btnquery2.Text = "確定";
            this.btnquery2.Click += new System.EventHandler(this.btnquery2_Click);
            // 
            // panel1
            // 
        &n
bsp;   this.panel1.Controls.Add(this.tabdisplay);
            this.panel1.Location = new System.Drawing.Point(0, 96);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(728, 416);
            this.panel1.TabIndex = 10;
            // 
            // tabdisplay
            // 
            this.tabdisplay.Controls.Add(this.tabmap);
            this.tabdisplay.Controls.Add(this.tabtrainresult);
            this.tabdisplay.Controls.Add(this.tabtraindetails);
            this.tabdisplay.Dock = System.Windows.Forms.DockStyle.Fill;
            this.tabdisplay.Location = new System.Drawing.Point(0, 0);
            this.tabdisplay.Name = "tabdisplay";
            this.tabdisplay.SelectedIndex = 0;
            this.tabdisplay.Size = new System.Drawing.Size(728, 416);
            this.tabdisplay.TabIndex = 0;
            this.tabdisplay.SelectedIndexChanged += new System.EventHandler(this.tabdisplay_SelectedIndExchanged);
            // 
            // tabmap
            // 
            this.tabmap.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("tabmap.BackgroundImage")));
            this.tabmap.Controls.Add(this.lbllogo);
            this.tabmap.Controls.Add(this.lbllz);
            this.tabmap.Controls.Add(this.lblkm);
            this.tabmap.Controls.Add(this.lblcd);
            this.tabmap.Controls.Add(this.lblxa);
    &nbs
p;       this.tabmap.Controls.Add(this.lblxl);
            this.tabmap.Controls.Add(this.lblym);
            this.tabmap.Controls.Add(this.lblgel);
            this.tabmap.Controls.Add(this.lblhm);
            this.tabmap.Controls.Add(this.lblwlmq);
            this.tabmap.Location = new System.Drawing.Point(4, 21);
            this.tabmap.Name = "tabmap";
            this.tabmap.Size = new System.Drawing.Size(720, 391);
            this.tabmap.TabIndex = 0;
            this.tabmap.Text = "中國鐵路干線圖";
            // 
            // lbllogo
            // 
            this.lbllogo.BackColor = System.Drawing.Color.Transparent;
            this.lbllogo.Font = new System.Drawing.Font("宋體", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
            this.lbllogo.ForeColor = System.Drawing.SystemColors.ActiveCaption;
            this.lbllogo.Location = new System.Drawing.Point(584, 72);
            this.lbllogo.Name = "lbllogo";
            this.lbllogo.Size = new System.Drawing.Size(40, 304);
            this.lbllogo.TabIndex = 31;
            this.lbllogo.Text = "列車時刻查詢系統";
            // 
            // lbllz
            // 
            this.lbllz.BackColor = System.Drawing.Color.Transparent;
            this.lbllz.Location = new System.Drawing.Point(296, 200);
            this.lbllz.Name = "lbllz";

 this.lbllz.Size = new System.Drawing.Size(24, 24);

            this.lbllz.TabIndex = 30;
            this.lbllz.Tag = "蘭州";
            this.lbllz.Click += new System.EventHandler(this.lblwlmq_Click);
            // 
            // lblkm
            // 
            this.lblkm.BackColor = System.Drawing.Color.Transparent;
            this.lblkm.Location = new System.Drawing.Point(280, 328);
            this.lblkm.Name = "lblkm";
            this.lblkm.Size = new System.Drawing.Size(24, 24);
            this.lblkm.TabIndex = 29;
            this.lblkm.Tag = "昆明";
            this.lblkm.Click += new System.EventHandler(this.lblwlmq_Click);
            // 
            // lblcd
            // 
            this.lblcd.BackColor = System.Drawing.Color.Transparent;
            this.lblcd.Location = new System.Drawing.Point(296, 256);
            this.lblcd.Name = "lblcd";
            this.lblcd.Size = new System.Drawing.Size(24, 24);
            this.lblcd.TabIndex = 17;
            this.lblcd.Tag = "成都";
            this.lblcd.Click += new System.EventHandler(this.lblwlmq_Click);
            // 
            // lblxa
            // 
 this.lblxa.BackColor = System.Drawing.Color.Transparent;
            this.lblxa.Location = new System.Drawing.Point(320, 216);
            this.lblxa.Name = "lblxa";
            this.lblxa.Size = new System.Drawing.Size(24, 24);
            this.lblxa.TabIndex = 16;
            this.lblxa.Tag = "西安";
            this.lblxa.Click += new System.EventHandler(this.lblwlmq_Click);
            //