類

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

namespace 書上版本
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        class Student
        {
            private string stuname; //字段
            private string stuclass;
            public string StuName  //屬性
            {
                get
                {
                    return stuname;
                }
                set
                {
                    stuname=value;
                }
            }
            public string StuClass
            {
                get { return stuclass; }
                set { stuclass = value; }
            }
            public int GradeSum(int chs, int math)  //帶參有返回值方法
            {
                int sun = chs + math;
                return sun;
            }
        }
        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            Student stu = new Student();  //實例話對象
            stu.StuName = textBox1.Text;
            stu.StuClass = textBox2.Text;
            int var1 = int.Parse(textBox3.Text);  //將數字字符串轉化爲等效的整數類型
            int var2 = int.Parse(textBox4.Text);
            string Result = stu.StuName.PadRight(6) + stu.StuClass.PadRight(10) + "總分：" + stu.GradeSum(var1, var2); //在內容左邊添加6個空格
            MessageBox.Show(Result, "結果");  //彈出提示框（內容，標題）
        }
    }
}