formmain.cs

winmobile数据绑定操作代码

//-----------------------------------------------------------------------------
// Code from _Programming the .NET Compact Framework with C#_
// and _Programming the .NET Compact Framework with VB_
// (c) Copyright 2002-2004 Paul Yao and David Durant. 
// All rights reserved.
//-----------------------------------------------------------------------------

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

namespace BindArrayListToControls
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class FormMain : System.Windows.Forms.Form
	{
      internal System.Windows.Forms.Panel panelTaskFields;
      internal System.Windows.Forms.TextBox txtTaskActual;
      internal System.Windows.Forms.TextBox txtTaskEstimated;
      internal System.Windows.Forms.TextBox txtTaskName;
      internal System.Windows.Forms.TextBox txtTaskStart;
      internal System.Windows.Forms.TextBox txtTaskEnd;
      internal System.Windows.Forms.TextBox txtTaskNo;
      internal System.Windows.Forms.Button btnCancel;
      internal System.Windows.Forms.Button btnAddTask;
      internal System.Windows.Forms.ComboBox cboxTasks;
      internal System.Windows.Forms.Label lblProjEnd;
      internal System.Windows.Forms.Label lblProjName;
      internal System.Windows.Forms.Button btnNewTask;
      internal System.Windows.Forms.Label lblProjStart;
		private System.Windows.Forms.MainMenu mainMenu1;

		public FormMain()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			base.Dispose( disposing );
		}
		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
         this.mainMenu1 = new System.Windows.Forms.MainMenu();
         this.panelTaskFields = new System.Windows.Forms.Panel();
         this.txtTaskActual = new System.Windows.Forms.TextBox();
         this.txtTaskEstimated = new System.Windows.Forms.TextBox();
         this.txtTaskName = new System.Windows.Forms.TextBox();
         this.txtTaskStart = new System.Windows.Forms.TextBox();
         this.txtTaskEnd = new System.Windows.Forms.TextBox();
         this.txtTaskNo = new System.Windows.Forms.TextBox();
         this.btnCancel = new System.Windows.Forms.Button();
         this.btnAddTask = new System.Windows.Forms.Button();
         this.cboxTasks = new System.Windows.Forms.ComboBox();
         this.lblProjEnd = new System.Windows.Forms.Label();
         this.lblProjName = new System.Windows.Forms.Label();
         this.btnNewTask = new System.Windows.Forms.Button();
         this.lblProjStart = new System.Windows.Forms.Label();
         // 
         // panelTaskFields
         // 
         this.panelTaskFields.Controls.Add(this.txtTaskActual);
         this.panelTaskFields.Controls.Add(this.txtTaskEstimated);
         this.panelTaskFields.Controls.Add(this.txtTaskName);
         this.panelTaskFields.Controls.Add(this.txtTaskStart);
         this.panelTaskFields.Controls.Add(this.txtTaskEnd);
         this.panelTaskFields.Controls.Add(this.txtTaskNo);
         this.panelTaskFields.Location = new System.Drawing.Point(0, 125);
         this.panelTaskFields.Size = new System.Drawing.Size(240, 64);
         // 
         // txtTaskActual
         // 
         this.txtTaskActual.Location = new System.Drawing.Point(200, 40);
         this.txtTaskActual.Size = new System.Drawing.Size(32, 22);
         this.txtTaskActual.Text = "";
         // 
         // txtTaskEstimated
         // 
         this.txtTaskEstimated.Location = new System.Drawing.Point(160, 40);
         this.txtTaskEstimated.Size = new System.Drawing.Size(32, 22);
         this.txtTaskEstimated.Text = "";
         // 
         // txtTaskName
         // 
         this.txtTaskName.Location = new System.Drawing.Point(8, 40);
         this.txtTaskName.Size = new System.Drawing.Size(144, 22);
         this.txtTaskName.Text = "";
         // 
         // txtTaskStart
         // 
         this.txtTaskStart.Location = new System.Drawing.Point(72, 8);
         this.txtTaskStart.Size = new System.Drawing.Size(72, 22);
         this.txtTaskStart.Text = "";
         this.txtTaskStart.Validating += new System.ComponentModel.CancelEventHandler(this.txtTaskDates_Validating);
         // 
         // txtTaskEnd
         // 
         this.txtTaskEnd.Location = new System.Drawing.Point(160, 8);
         this.txtTaskEnd.Size = new System.Drawing.Size(72, 22);
         this.txtTaskEnd.Text = "";
         this.txtTaskEnd.Validating += new System.ComponentModel.CancelEventHandler(this.txtTaskDates_Validating);
         // 
         // txtTaskNo
         // 
         this.txtTaskNo.Location = new System.Drawing.Point(8, 8);
         this.txtTaskNo.Size = new System.Drawing.Size(40, 22);
         this.txtTaskNo.Text = "";
         // 
         // btnCancel
         // 
         this.btnCancel.Location = new System.Drawing.Point(160, 237);
         this.btnCancel.Text = "&Cancel";
         this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
         // 
         // btnAddTask
         // 
         this.btnAddTask.Location = new System.Drawing.Point(0, 237);
         this.btnAddTask.Text = "Add &Task";
         this.btnAddTask.Click += new System.EventHandler(this.btnAddTask_Click);
         // 
         // cboxTasks
         // 
         this.cboxTasks.Location = new System.Drawing.Point(8, 197);
         this.cboxTasks.Size = new System.Drawing.Size(224, 22);
         // 
         // lblProjEnd
         // 
         this.lblProjEnd.Location = new System.Drawing.Point(192, 13);
         this.lblProjEnd.Size = new System.Drawing.Size(40, 20);
         this.lblProjEnd.TextChanged += new System.EventHandler(this.lblProjEnd_TextChanged);
         // 
         // lblProjName
         // 
         this.lblProjName.Location = new System.Drawing.Point(16, 13);
         this.lblProjName.Size = new System.Drawing.Size(120, 27);
         // 
         // btnNewTask
         // 
         this.btnNewTask.Location = new System.Drawing.Point(80, 237);
         this.btnNewTask.Text = "New &Task";
         this.btnNewTask.Click += new System.EventHandler(this.btnNewTask_Click);
         // 
         // lblProjStart
         // 
         this.lblProjStart.Location = new System.Drawing.Point(144, 13);
         this.lblProjStart.Size = new System.Drawing.Size(40, 20);
         // 
         // FormMain
         // 
         this.Controls.Add(this.panelTaskFields);
         this.Controls.Add(this.btnCancel);
         this.Controls.Add(this.btnAddTask);
         this.Controls.Add(this.cboxTasks);
         this.Controls.Add(this.lblProjEnd);
         this.Controls.Add(this.lblProjName);
         this.Controls.Add(this.btnNewTask);
         this.Controls.Add(this.lblProjStart);
         this.Menu = this.mainMenu1;
         this.Text = "Time Tracker";
         this.Load += new System.EventHandler(this.FormMain_Load);

      }
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>

		static void Main() 
		{
			Application.Run(new FormMain());
		}

      //  The current project.
      private YaoDurant.Data.UtilData.Project theProject;
      //  The tasks of the current project.
      private ArrayList alTasks = new ArrayList();

      //  A control to be created later
      private TextBox txtTaskComments;

      //  The index number of the previous task.  We will
      //     need to know it in case the users cancels out 
      //     during task creation.
      private int ixTaskPrev;

      private void FormMain_Load(object sender, System.EventArgs e)
      {
         //  set { the initial state of the controls.
         InitControlState();

         //  Load and display a project.
         YaoDurant.Data.UtilData utilData = new UtilData();
         theProject = utilData.GetProject("17");
         alTasks = utilData.GetTasks("17");
         DisplayProject();
      }

      private void lblProjEnd_TextChanged(object sender, System.EventArgs e)
      {
      //  if ( this project is due or overdue,
      //      make the background light red.
      SetBkColor(lblProjEnd, Color.LightPink);
      }

      private void txtTaskDates_Validating(object sender, System.ComponentModel.CancelEventArgs e)
      {
         //  if ( the date entered is not within one year
         //     of today, make the background light red.
         TextBox txtSender = (TextBox)sender;
         if ( Convert.ToDateTime(txtSender.Text) <= 
                           DateTime.Today.AddYears(-1) || 
              Convert.ToDateTime(txtSender.Text) >= 
                           DateTime.Today.AddYears(1))
         {
            txtSender.BackColor = Color.LightPink;
         }