用vs2005.C#如何做一个form的用户名登入窗口????

假设form1是你想登陆的窗口，则以下是FORM1的代码：
private void Form1_Load(object sender, EventArgs e)
{
Form2 frmLogin = new Form2();
frmLogin.ShowDialog(this);
}
public string strUserName
{
get
{
return ("这里是你的预设用户名");
}
}
public string strPassWord
{
get
{
return ("这里是你的预设密码");
}
}
FORM2为登陆窗口，FORM2代码如下：
private void button1_Click(object sender, EventArgs e)
{
Application.Exit();
}

private void button2_Click(object sender, EventArgs e)
{
Form1 theOwner = (Form1)this.Owner;
if (textBox1.Text != theOwner.strUserName)
{
MessageBox.Show("错误的用户名