private void btnAdd_Click(object sender, EventArgs e) { string RightWrong = "False"; if (cboCourse.SelectedValue == null || txtTitle.Text == "") { MessageBox.Show("请输入完整的题目信息!"); } else if (rdoRight.Checked == false && rdoWrong.Checked == false) { MessageBox.Show("请选择正确答案!"); } else { if (rdoRight.Checked == true) { RightWrong = "True"; } try { JudgeQuestionProblem jqp = new JudgeQuestionProblem(cboCourse.SelectedValue.ToString(), txtTitle.Text, RightWrong); QuestionBll.AddjudgeProblem(jqp); MessageBox.Show("添加成功!"); this.Close(); } catch (Exception ee) { MessageBox.Show("添加失败!" + ee); throw; } } }