简易登录界面制作

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

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 登录按钮(判断用户名, 密码)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button_login_Click(object sender, EventArgs e)
        {
            string Name = "admin";
            string Pwd = "admin";
            string name = textBox_user.Text;
            string pwd = textBox_pwd.Text;
            if (Name==name)
            {
                if (Pwd==pwd)
                {
                    //MessageBox.Show("登陆成功", "登录提示");
                    if (MessageBox.Show("登陆成功", "登录提示",MessageBoxButtons.OKCancel)==DialogResult.OK)
                    {
                        Form frm1 = new FormHome();
                        frm1.Show();
                        this.Hide();
                    }
                }
                else
                {
                    MessageBox.Show("密码错误");
                }
            }
            else
            {
                MessageBox.Show("用户名不存在");
            }
        }

        /// <summary>
        /// 注销按钮_推出应用程序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button_logout_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        /// <summary>
        /// tab光标显示顺序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form1_Load(object sender, EventArgs e)
        {
            textBox_user.TabIndex = 0;
            textBox_pwd.TabIndex = 1;
        }
    }
}