public void SetupCombos() { var sd = new StaffData(); DoctorList = sd.GetAllDoctors(); //setup doctor information into combo box boxDoctorChoice.ValueMember = "StaffId"; boxDoctorChoice.DisplayMember = "LastName"; boxDoctorChoice.DataSource = DoctorList; //basic combo box styling boxDoctorChoice.DropDownStyle = ComboBoxStyle.DropDownList; boxDoctorChoice.Region = new Region(new Rectangle(3, 3, boxDoctorChoice.Width - 3, boxDoctorChoice.Height - 6)); //ensure first doctors schedule is displayed on load boxDoctorChoice.SelectedIndex = 0; }