private void TeaPwd() { if (!ValidateInfo()) { return; } if (Convert.ToInt32(LoginManager.CheckTeaPwd(teacher, textBox1.Text)) > 0) { if (LoginManager.UpdateTeaPwd(teacher, textBox3.Text)) { MessageBox.Show( "成功修改密码!", "成功", MessageBoxButtons.OK, MessageBoxIcon.Information); NeedConfirmOnExit = false; Close(); } else { MessageBox.Show("修改失败,请重试!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { MessageBox.Show("旧密码输入错误,请重新输入!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } }