C#实验二

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace WindowsFormsApplication5{ public partial class WinForm : Form { public WinForm() { InitializeComponent(); } private void label1_Click(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { int a, b, c; a = Convert.ToInt32(textBox1.Text); b = Convert.ToInt32(textBox2.Text); c = a + b; textBox3.Text = Convert.ToString(c); } }}