示例#1
0
        private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            AdminMainMenu adminMainMenu = new AdminMainMenu();

            adminMainMenu.Show();
        }
        private void Login_Click(object sender, EventArgs e)
        {
            var q = db.Users.Where(x => x.userId == ID.Text && x.passwd == Pass.Text).FirstOrDefault();

            if (q != null)
            {
                //Only administrators can successfully login via this
                //screen.
                //When a user successfully logs in, they will be automatically re‐directed to
                //the admin main menu.
                AdminMainMenu adminMainMenu = new AdminMainMenu();
                this.Hide();
                adminMainMenu.Show();
            }
            else
            {
                //Include appropriate error checks and messages for data entry and unsuccessful
                //login attempts.
                MessageBox.Show("Invalid User!");
            }
        }