private void button1_Click(object sender, EventArgs e) { int crsID = 0; if (comboBox1.SelectedItem != null) { crsID = int.Parse(comboBox1.SelectedItem.ToString().Split(',')[0]); } else { MessageBox.Show("Please select course id", "Waring"); return; } if (!isQuestDataValid()) { MessageBox.Show("Please Enter Valid Data", "Waring"); return; } string qbody = qcont.Text.Trim(); string qtype = comboBox3.SelectedItem.ToString(); int qdeg = (int)qdegree.Value; string modelAns = qmodel.Text.Trim(); OnlineExam ent = new OnlineExam(); var last = ent.insertQuest(qtype, qdeg, qbody, modelAns, crsID).First(); //////////////////////////////////////////////////////////////////// if (last.Type.ToLower() == "mcq") { insertChoicesForQuestById(last.QuesId); } loadCourse(); loadQuestions(crsID); qcont.Text = qmodel.Text = string.Empty; qdegree.Value = 1; comboBox3.Text = string.Empty; }