代码如下：
登录页面：
public partial class FrmLogin : Form
{
public FrmLogin()
{
InitializeComponent(); } private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text.Trim() == "" || textBox2.Text.Trim() == "")
{
MessageBox.Show("用户名或密码不为空！", "提示");
}else if(textBox1.Text==FrmRegist.name&&textBox2.Text==FrmRegist.pwd){ FrnMain fm = new FrnMain();
fm.Show();
this.Hide();
}
else
{
MessageBox.Show("用户名或密码错误！", "提示");
}
} private void FrmLogin_Load(object sender, EventArgs e)
{ } private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
FrmRegist fr = new FrmRegist(); fr.Show();
this.Hide();
}
注册页面：
public partial class FrmRegist : Form
{
public static string name;
public static string pwd;
public static string name2;
public FrmRegist()
{
InitializeComponent();
} private void pictureBox1_Click(object sender, EventArgs e)
{ } private void button1_Click(object sender, EventArgs e)
{ if (textBox3.Text == textBox5.Text && textBox4.Text == textBox6.Text && textBox3.Text != "" && textBox4.Text != "" && textBox5.Text != "" && textBox6.Text != "")
{
name = textBox3.Text;
pwd = textBox4.Text;
name2 = textBox1.Text;
MessageBox.Show("注册成功！");
FrmLogin fm = new FrmLogin();
fm.Show();
this.Hide();
}
else
{
MessageBox.Show("注册失败");
}
}
主页面：
public partial class FrnMain : Form
{
public FrnMain()
{
InitializeComponent();
}
public FrmLogin f1;
private void FrnMain_Load(object sender, EventArgs e)
{
lblname.Text = FrmRegist.name2;
}
}
地狱的镰刀：：：：：；；：：：：：：：