public static Control showTeachers() { List <SomerenModel.Docent> dl = new List <SomerenModel.Docent>(); //SomerenDB. SomerenDB db = new SomerenDB(); dl = db.DB_getteachers(); SomerenModel.Docent[] docenten = dl.ToArray(); ListView c = new ListView(); c.View = View.Details; c.BackColor = System.Drawing.SystemColors.ControlLight; c.Columns.Add("ID", -2, HorizontalAlignment.Left); c.Columns.Add("Naam", -2, HorizontalAlignment.Left); c.Columns.Add("Achternaam", -2, HorizontalAlignment.Left); c.Height = 500; c.Width = 500; for (int i = 0; i < docenten.Length; i++) { ListViewItem lv = new ListViewItem(docenten[i].getId().ToString()); lv.SubItems.Add(docenten[i].getNaam()); lv.SubItems.Add(docenten[i].getAchternaam()); c.Items.Add(lv); } return(c); }