/*private void fmChangeAccount_FormClosing(object sender, FormClosingEventArgs e) * { * Application.Exit(); * }*/ private void btnChangePass_Click(object sender, EventArgs e) { if (!txtPass.Text.Equals("")) { ManageProduct mp = new ManageProduct(); cus.isRole = txtPass.Text; if (mp.UpdateCustomer(cus)) { MessageBox.Show("Update success"); } else { MessageBox.Show("Update success"); } } }