mainform.cs

是计算所买书籍的价钱

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

namespace BookMulti
{
	public class MainForm : BookMulti.BaseForm
	{
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.CheckBox checkBox1;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.MainMenu mainMenu2;
		private System.Windows.Forms.MenuItem fileMenu;
		private System.Windows.Forms.MenuItem fileCaculateMenuItem;
		private System.Windows.Forms.MenuItem fileSummaryMenuItem;
		private System.Windows.Forms.MenuItem fileClearMenuItem;
		private System.Windows.Forms.MenuItem fileExitMenuItem;
		private System.Windows.Forms.MenuItem helpMenu;
		private System.Windows.Forms.MenuItem helpAboutMenuItem;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.TextBox titleTextBox;
		private System.Windows.Forms.TextBox quantityTextBox;
		private System.Windows.Forms.TextBox priceTextBox;
		private System.Windows.Forms.TextBox extendedpriceTextBox;
		private System.Windows.Forms.Label titleLabel;
		private System.Windows.Forms.Label quantityLabel;
		private System.Windows.Forms.Label priceLabel;
		private System.Windows.Forms.Label extendedpriceLabel;
		
		
		private System.ComponentModel.IContainer components = null;
		private BookSale  bookSalesObject;
		private System.Windows.Forms.CheckBox studentCheckBox;
		private System.Windows.Forms.TextBox tiltelTextBox;
		private StudentBookSale studentBookSalesObject;

		public MainForm()
		{
			// 该调用是 Windows 窗体设计器所必需的。
			InitializeComponent();

			// TODO: 在 InitializeComponent 调用后添加任何初始化
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		static void Main()
		{
			Application.Run(new MainForm());
		}
 
		private void MainForm_Load(object sender, System.EventArgs e)
		{
		
		}

		private void menuItem5_Click(object sender, System.EventArgs e)
		{
		
		}

		protected override void okButton_Click(object sender, System.EventArgs e)
		{
			//this.Close();
		}

		private void InitializeComponent()
		{
			this.mainMenu2 = new System.Windows.Forms.MainMenu();
			this.fileMenu = new System.Windows.Forms.MenuItem();
			this.fileCaculateMenuItem = new System.Windows.Forms.MenuItem();
			this.fileSummaryMenuItem = new System.Windows.Forms.MenuItem();
			this.fileClearMenuItem = new System.Windows.Forms.MenuItem();
			this.fileExitMenuItem = new System.Windows.Forms.MenuItem();
			this.helpMenu = new System.Windows.Forms.MenuItem();
			this.helpAboutMenuItem = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.titleLabel = new System.Windows.Forms.Label();
			this.quantityLabel = new System.Windows.Forms.Label();
			this.priceLabel = new System.Windows.Forms.Label();
			this.extendedpriceLabel = new System.Windows.Forms.Label();
			this.studentCheckBox = new System.Windows.Forms.CheckBox();
			this.tiltelTextBox = new System.Windows.Forms.TextBox();
			this.quantityTextBox = new System.Windows.Forms.TextBox();
			this.priceTextBox = new System.Windows.Forms.TextBox();
			this.extendedpriceTextBox = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// okButton
			// 
			this.okButton.Location = new System.Drawing.Point(354, 230);
			this.okButton.Name = "okButton";
			this.okButton.Size = new System.Drawing.Size(108, 38);
			this.okButton.Click += new System.EventHandler(this.okButton_Click_1);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(54, 50);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(270, 18);
			// 
			// mainMenu2
			// 
			this.mainMenu2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.fileMenu,
																					  this.helpMenu});
			// 
			// fileMenu
			// 
			this.fileMenu.Index = 0;
			this.fileMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.fileCaculateMenuItem,
																					 this.fileSummaryMenuItem,
																					 this.fileClearMenuItem,
																					 this.fileExitMenuItem});
			this.fileMenu.Text = "&File";
			// 
			// fileCaculateMenuItem
			// 
			this.fileCaculateMenuItem.Index = 0;
			this.fileCaculateMenuItem.Text = "&Caculate";
			this.fileCaculateMenuItem.Click += new System.EventHandler(this.fileCaculateMenuItem_Click);
			// 
			// fileSummaryMenuItem
			// 
			this.fileSummaryMenuItem.Index = 1;
			this.fileSummaryMenuItem.Text = "&Summary";
			this.fileSummaryMenuItem.Click += new System.EventHandler(this.fileSummaryMenuItem_Click);
			// 
			// fileClearMenuItem
			// 
			this.fileClearMenuItem.Index = 2;
			this.fileClearMenuItem.Text = "C&lear";
			this.fileClearMenuItem.Click += new System.EventHandler(this.fileClearMenuItem_Click);
			// 
			// fileExitMenuItem
			// 
			this.fileExitMenuItem.Checked = true;
			this.fileExitMenuItem.Index = 3;
			this.fileExitMenuItem.Text = "&Exit";
			this.fileExitMenuItem.Click += new System.EventHandler(this.fileExitMenuItem_Click);
			// 
			// helpMenu
			// 
			this.helpMenu.Index = 1;
			this.helpMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.helpAboutMenuItem,
																					 this.menuItem9});
			this.helpMenu.Text = "&Help";
			// 
			// helpAboutMenuItem
			// 
			this.helpAboutMenuItem.Index = 0;
			this.helpAboutMenuItem.Text = "&About";
			this.helpAboutMenuItem.Click += new System.EventHandler(this.helpAboutMenuItem_Click);
			// 
			// menuItem9
			// 
			this.menuItem9.Index = 1;
			this.menuItem9.Text = "";
			this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);
			// 
			// titleLabel
			// 
			this.titleLabel.Location = new System.Drawing.Point(18, 81);
			this.titleLabel.Name = "titleLabel";
			this.titleLabel.Size = new System.Drawing.Size(75, 18);
			this.titleLabel.TabIndex = 2;
			this.titleLabel.Text = "&Title";
			// 
			// quantityLabel
			// 
			this.quantityLabel.Location = new System.Drawing.Point(18, 131);
			this.quantityLabel.Name = "quantityLabel";
			this.quantityLabel.Size = new System.Drawing.Size(75, 18);
			this.quantityLabel.TabIndex = 2;
			this.quantityLabel.Text = "&Quantity";
			// 
			// priceLabel
			// 
			this.priceLabel.Location = new System.Drawing.Point(18, 187);
			this.priceLabel.Name = "priceLabel";
			this.priceLabel.Size = new System.Drawing.Size(75, 18);
			this.priceLabel.TabIndex = 2;
			this.priceLabel.Text = "&Price";
			// 
			// extendedpriceLabel
			// 
			this.extendedpriceLabel.Location = new System.Drawing.Point(18, 286);
			this.extendedpriceLabel.Name = "extendedpriceLabel";
			this.extendedpriceLabel.Size = new System.Drawing.Size(126, 18);
			this.extendedpriceLabel.TabIndex = 2;
			this.extendedpriceLabel.Text = "&Extended price";
			// 
			// studentCheckBox
			// 
			this.studentCheckBox.Checked = true;
			this.studentCheckBox.CheckState = System.Windows.Forms.CheckState.Checked;
			this.studentCheckBox.Location = new System.Drawing.Point(24, 230);
			this.studentCheckBox.Name = "studentCheckBox";
			this.studentCheckBox.Size = new System.Drawing.Size(78, 19);
			this.studentCheckBox.TabIndex = 3;
			this.studentCheckBox.Text = "student";
			// 
			// tiltelTextBox
			// 
			this.tiltelTextBox.Location = new System.Drawing.Point(156, 81);
			this.tiltelTextBox.Name = "tiltelTextBox";
			this.tiltelTextBox.Size = new System.Drawing.Size(75, 21);
			this.tiltelTextBox.TabIndex = 2;
			this.tiltelTextBox.Text = "";
			// 
			// quantityTextBox
			// 
			this.quantityTextBox.Location = new System.Drawing.Point(156, 131);
			this.quantityTextBox.Name = "quantityTextBox";
			this.quantityTextBox.Size = new System.Drawing.Size(108, 21);
			this.quantityTextBox.TabIndex = 4;
			this.quantityTextBox.Text = "";
			// 
			// priceTextBox
			// 
			this.priceTextBox.Location = new System.Drawing.Point(156, 187);
			this.priceTextBox.Name = "priceTextBox";
			this.priceTextBox.Size = new System.Drawing.Size(108, 21);
			this.priceTextBox.TabIndex = 4;
			this.priceTextBox.Text = "";
			// 
			// extendedpriceTextBox
			// 
			this.extendedpriceTextBox.Location = new System.Drawing.Point(156, 286);
			this.extendedpriceTextBox.Name = "extendedpriceTextBox";
			this.extendedpriceTextBox.Size = new System.Drawing.Size(108, 21);
			this.extendedpriceTextBox.TabIndex = 4;
			this.extendedpriceTextBox.Text = "";
			// 
			// MainForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
			this.ClientSize = new System.Drawing.Size(486, 455);
			this.Controls.Add(this.tiltelTextBox);
			this.Controls.Add(this.studentCheckBox);
			this.Controls.Add(this.titleLabel);
			this.Controls.Add(this.quantityLabel);
			this.Controls.Add(this.priceLabel);
			this.Controls.Add(this.extendedpriceLabel);
			this.Controls.Add(this.quantityTextBox);
			this.Controls.Add(this.priceTextBox);
			this.Controls.Add(this.extendedpriceTextBox);
			this.Menu = this.mainMenu2;
			this.Name = "MainForm";
			this.Text = "MainForm";
			this.Load += new System.EventHandler(this.MainForm_Load_2);
			this.Controls.SetChildIndex(this.extendedpriceTextBox, 0);
			this.Controls.SetChildIndex(this.priceTextBox, 0);
			this.Controls.SetChildIndex(this.quantityTextBox, 0);
			this.Controls.SetChildIndex(this.extendedpriceLabel, 0);
			this.Controls.SetChildIndex(this.priceLabel, 0);
			this.Controls.SetChildIndex(this.quantityLabel, 0);
			this.Controls.SetChildIndex(this.titleLabel, 0);
			this.Controls.SetChildIndex(this.studentCheckBox, 0);
			this.Controls.SetChildIndex(this.tiltelTextBox, 0);
			this.Controls.SetChildIndex(this.okButton, 0);
			this.Controls.SetChildIndex(this.label1, 0);
			this.ResumeLayout(false);

		}

		private void MainForm_Load_1(object sender, System.EventArgs e)
		{
		
		}

		private void menuItem5_Click_1(object sender, System.EventArgs e)
		{
		
		}

		private void MainForm_Load_2(object sender, System.EventArgs e)
		{
		          okButton.Visible=false;
		}

		private void okButton_Click_1(object sender, System.EventArgs e)
		{
		
		}

		private void fileCaculateMenuItem_Click(object sender, System.EventArgs e)
		{
			try
			{
				if(studentCheckBox.Checked)
				{
					studentBookSalesObject=new StudentBookSale(titleTextBox.Text,int.Parse(quantityTextBox.Text ),decimal.Parse(priceTextBox.Text));
					extendedpriceTextBox.Text=studentBookSalesObject.ExtendedPrice.ToString();

				}
				else 
				{
					bookSalesObject=new BookSale(titleTextBox.Text,int.Parse(quantityTextBox.Text),decimal.Parse(priceTextBox.Text));
					extendedpriceTextBox.Text=bookSalesObject.ExtendedPrice.ToString("n");
				}
			}
			catch
			{
				MessageBox.Show("invalid data:error","the tip of error",MessageBoxButtons.OK,MessageBoxIcon.Error);
					
			}
		}

		private void fileClearMenuItem_Click(object sender, System.EventArgs e)
		{
			titleTextBox.Clear();
			quantityTextBox.Clear();
			priceTextBox.Clear();
			extendedpriceTextBox.Clear();
			titleTextBox.Focus();
		}

		private void fileExitMenuItem_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void helpAboutMenuItem_Click(object sender, System.EventArgs e)
		{
			AboutForm aboutFormObject=new AboutForm ();
			aboutFormObject.Show();
		}

		private void menuItem9_Click(object sender, System.EventArgs e)
		{
		
		}

		private void fileSummaryMenuItem_Click(object sender, System.EventArgs e)
		{
			SummaryForm summaryFormObject=new SummaryForm ();
			summaryFormObject.salesCountTextBox.Text=BookSale.SalesCount.ToString();
			summaryFormObject.salesTotalTextBox.Text=BookSale.SalesTotal.ToString("c");
			summaryFormObject.totalStudentDiscountTextBox.Text=StudentBookSale.DiscountTotal.ToString("c");
			summaryFormObject.Show();

		}
	}
}