private void выходToolStripMenuItem_Click(object sender, EventArgs e)
{
MainWindow_Admin_ ytre = new MainWindow_Admin_();
ytre.Show();
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "user1" && textBox2.Text == "12345")
{
MainWindow c = new MainWindow();
c.Show();
this.Hide();
}
else if (textBox1.Text == "user2" && textBox2.Text == "54321")
{
MainWindow_Admin_ c = new MainWindow_Admin_();
c.Show();
this.Hide();
}
else
{
textBox1.Text = "";
textBox2.Text = "";
MessageBox.Show("Неверный логин или пароль");
}
}