private void btnMenu_Click(object sender, EventArgs e)
{
menu menu = new menu();
this.Close();
menu.Show();
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "Admin" && textBox2.Text.ToString() == "123")
{
menu page2 = new menu();
page2.Show();
Hide();
}
else
{
lblErrorText.Text = "Invalid username or password";
lblErrorText.ForeColor = Color.Red;
}
}