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"; } } } }