private void btnOK_Click(object sender, EventArgs e) { try { //检查并设置票价 dataManager.CheckTheaterPriceLowest(theaterPrice); MessageBox.Show("修改全场票价成功!", "信息提示"); this.Hide(); this.DialogResult = DialogResult.OK; } catch (Exception error) { MessageBox.Show(error.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Error); } }