C#文本框实例2

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 WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            button1.Text = "根据单选按钮，将对应文本框的内容显示在标签内";
            textBox1.MaxLength = textBox2.MaxLength = 6;
            radioButton1.Text = "取第一个文本框的内容";
            radioButton2.Text = "取第二个文本框的内容";
            textBox2.PasswordChar = '*';
        }
        string text;
        private void radioButton1_CheckedChanged(object sender, EventArgs e)
        {
            text = textBox1.Text;
        }

        private void radioButton2_CheckedChanged(object sender, EventArgs e)
        {
            text = textBox2.Text;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            label1.Text = text;
        }


    }
}