form1.cs

Visual C#2005程序设计教程

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

namespace WinApp9_13统计成绩
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ListBox listBox1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <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 );
		}

		#region Windows 窗体设计器生成的代码
		/// <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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.listBox1 = new System.Windows.Forms.ListBox();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.AutoSize = true;
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(62, 24);
			this.label1.TabIndex = 0;
			this.label1.Text = "label1";
			// 
			// label2
			// 
			this.label2.AutoSize = true;
			this.label2.Location = new System.Drawing.Point(16, 120);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(62, 24);
			this.label2.TabIndex = 2;
			this.label2.Text = "label2";
			// 
			// label3
			// 
			this.label3.AutoSize = true;
			this.label3.Location = new System.Drawing.Point(16, 152);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(62, 24);
			this.label3.TabIndex = 3;
			this.label3.Text = "label3";
			// 
			// listBox1
			// 
			this.listBox1.ColumnWidth = 80;
			this.listBox1.ItemHeight = 18;
			this.listBox1.Location = new System.Drawing.Point(16, 40);
			this.listBox1.MultiColumn = true;
			this.listBox1.Name = "listBox1";
			this.listBox1.Size = new System.Drawing.Size(528, 76);
			this.listBox1.TabIndex = 4;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(10, 21);
			this.ClientSize = new System.Drawing.Size(592, 184);
			this.Controls.Add(this.listBox1);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Font = new System.Drawing.Font("宋体", 10.8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			this.Text="成绩统计";
			label2.Text="各科总分：";
			label3.Text="总平均分：";
			string [ ]name=new string[4]{"张三","李四","王五","赵六"};
			double [ ,] grade=new double[4,3]{{78,96.5,75}
												 ,{85,75,96}
												 ,{99,89,88}
												 ,{69,72,80}};
			double [ ]sum=new double[4];
			double [ ]total=new double[3];
			label1.Text="姓名    语文     数学     物理     总分";
			for(int i=0;i<4;i=i+1)
			{
				listBox1.Items.Add(name[i].ToString( ));
				for(int j=0;j<3;j=j+1)
				{
					sum[i]=sum[i]+grade[i,j];
					total[j]=total[j]+grade[i,j];
				}
			}
			label3.Text+=Convert.ToString((sum[0]+sum[1]+sum[2]+sum[3])/4);
			// Shutdown the painting of the ListBox as items are added.
			listBox1.BeginUpdate();
			// Loop through and add 50 items to the ListBox.
			for (int i = 0; i<3; i++)
			{
				for(int j=0;j<4;j++)
				listBox1.Items.Add(grade[j,i].ToString());
			}
			for(int i=0;i<sum.Length;i=i+1)
				listBox1.Items.Add(sum[i].ToString());
			// Allow the ListBox to repaint and display the new items.
			listBox1.EndUpdate();
			for(int i=0;i<total.Length;i=i+1)
				label2.Text+=total[i]+"    ";
			// Select three items from the ListBox.
			//listBox1.SetSelected(1, true);
			//listBox1.SetSelected(3, true);
			//listBox1.SetSelected(5, true);
		}
	}
}