[开发工具]基于C#的winform程序之登录系统

1，界面设计如下

?2，源代码

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 _08单选框1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string name = textBox1.Text.Trim();
            string password = textBox2.Text;
            if(radioButton1.Checked)
            {
                if(name=="student"&&password=="student")
                {
                    MessageBox.Show("学生登录成功");
                }
                else 
                {
                    MessageBox.Show("学生登录失败,请重新输入");
                    textBox1.Text = " ";
                    textBox2.Text = " ";
                    label1.Focus();
                }
            }
            else if(radioButton2.Checked)
            {
                if (name == "teacher" && password == "teacher")
                {
                    MessageBox.Show("老师登录成功");
                }
                else
                {
                    MessageBox.Show("老师登录失败,请重新输入");
                    textBox1.Text = " ";
                    textBox2.Text = " ";
                    label1.Focus();
                }
            }
        
        }
    }
}