我的第一节课的第二个作业

作业#。                                            public partial class Form1 : Form

public Form1()

InitializeComponent();

private void button1. .Click(object sender,EventArgs e)

float num1 = 0;

float num2= 0;

float result = 0;

num1 = float.Parse(textBox1.Text); //将文本框输入的字符转换成数值

num2 = float.Parse(textBox2.Text);

result=num1*num2;

textBox3.Text = result.ToString();//将数值转换成字符

private void button2_ .Click(object sender,EventArgs e)

{

textBox1.Text = ";

textBox2.Text = ",

textBox3.Text = ";

戴超宇

图片发自简书App