/* METHOD -> DataBinds the Exam Combo Box */ private void SetCbExams() { exams = ExamDB.GetExamByAdmin(adminID); if (exams.Count > 0) //Admin has exams, display and enable the exam name combo box { exams.Insert(0, new Exam { ExamName = "Select Exam", ExamID = -1 }); //instantiates placeholder object at index 0 ctrl_cb_examName.DataSource = exams; ctrl_cb_examName.DisplayMember = "ExamName"; ctrl_cb_examName.ValueMember = "ExamID"; ctrl_cb_examName.Enabled = true; ctrl_tb_duration.Text = ""; } else //Admin has no exams, disable Exam combo box { ctrl_cb_examName.DataSource = null; ctrl_cb_examName.Text = "No Exams Created"; ctrl_cb_examName.Enabled = false; ctrl_btn_updateExam.Enabled = false; ctrl_btn_delete.Enabled = false; ctrl_tb_duration.Text = ""; } }