private void button_login_Click(object sender, EventArgs e)
{
string username = txt_UserID.Text;
string password = txt_Password.Text;
Boolean isAllowed = UserAccountsData.checkAuthorization(new UserAccount(username, password));
if (isAllowed)
{
MainMenu mainMenu = new MainMenu();
mainMenu.Show();
this.Hide();
}
else
{
MessageBox.Show("Invalid user account or password", "please retry");
}
}
