private void tsbAdd_Click(object sender, EventArgs e) { switch (tabConQustion.SelectedTab.Text) { case "单选题": frmSingleSelectAdd fssa = new frmSingleSelectAdd(); fssa.ShowDialog(); dataGridView1.DataSource = QuestionBll.QuestionFillDs().Tables[0]; break; case "多选题": frmMultiSelectAdd fmsa = new frmMultiSelectAdd(); fmsa.ShowDialog(); dataGridView2.DataSource = QuestionBll.QuestionFillDs().Tables[1]; break; case "判断题": frmJudgeAdd fja = new frmJudgeAdd(); fja.ShowDialog(); dataGridView3.DataSource = QuestionBll.QuestionFillDs().Tables[2]; break; case "填空题": frmFillBlankAdd ffba = new frmFillBlankAdd(); ffba.ShowDialog(); dataGridView4.DataSource = QuestionBll.QuestionFillDs().Tables[3]; break; case "问答题": frmQuestionAdd fqa = new frmQuestionAdd(); fqa.ShowDialog(); dataGridView5.DataSource = QuestionBll.QuestionFillDs().Tables[4]; break; default: break; } }