private void btnAdd_Click(object sender, EventArgs e) { int i = 0; if (tbCourseNo.Text.Trim().Equals("")) { MessageBox.Show("不能为空", "提示"); tbCourseNo.Focus(); return; } Course course = new Course(tbCourseNo.Text, tbCourseName.Text, float.Parse(tbPoint.Text)); CourseManageAction cma = new CourseManageAction(); cma.setCourse(course); if (isUpdate == false) { i = cma.addCourse(); if (i > 0) { cma.updateDept(course, dept); MessageBox.Show(string.Format("增加了{0}条记录", i)); foreach (Control ctrl in groupBox2.Controls) { if (!(ctrl is Label)) { ctrl.Text = ""; } } } else { MessageBox.Show("添加不成功"); } } else { i = cma.updateCourse(); if (i > 0) { MessageBox.Show(string.Format("更新了{0}条记录", i)); this.Close(); } else { MessageBox.Show("更新不成功"); } } faculty.Close(); this.Close(); }