private void button1_Click(object sender, EventArgs e)
        {
            string username = textBoxUsername.Text;
            string password = textBoxPassword.Text;

            if (username.StartsWith("a"))
            {
                ClassAdminLoginVerification.Verification(username, password, this);
            }
            else
            {
                MessageBox.Show("Log In Failed", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }
        private void buttonEmployeeLogIn_Click(object sender, EventArgs e)
        {
            //--------------------------Employee Log In Verification
            string username = textBoxEmployeeUN.Text;
            string password = textBoxEmployeePW.Text;

            if (username.StartsWith("e"))
            {
                ClassAdminLoginVerification.employeeVerification(username, password, home, this);
                FormDrugSell fds = new FormDrugSell(username);
                //ClassAdminLoginVerification.Verification(username, password, this);
            }
            else
            {
                MessageBox.Show("Log In Failed", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }