密码登录

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 _1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string name = "wangyueshuo";
            string _password = "123456";


            label5.Hide();
            label6.Hide();
            textBox1.Text = textBox1.Text.Trim();
            textBox2.Text = textBox2.Text.Trim();


            if (textBox1.Text == "")
            {
                label5.Show();
                return;
            }
            if (textBox2.Text == "")
            {
                label6.Show();
                return;
            }



            if (textBox1.Text == name && textBox2.Text == _password)
            {
                label4.ForeColor = Color.Green;
                label4.Text = "登陆成功,请稍后...";
            }
            else
            {
                label4.ForeColor = Color.Red;
                label4.Text = "密码或账号错误";
            }

        }

    }
}