private void mostrarLista() { StringBuilder errorMessages = new StringBuilder(); Carrera ca = new Carrera(); try { if ((ca.OptenerMateria(ca)).v_materia.Count != 0) { SLfacultad = new SortedList(); foreach (String materia in ca.v_materia) { SLfacultad.Add(materia, materia); } com_materia.DataSource = SLfacultad.GetValueList(); com_materia.Show(); } } catch (SqlException ex) { for (int i = 0; i < ex.Errors.Count; i++) { errorMessages.Append("Index #" + i + "\n" + "Message: " + ex.Errors[i].Message + "\n" + "LineNumber: " + ex.Errors[i].LineNumber + "\n" + "Source: " + ex.Errors[i].Source + "\n" + "Procedure: " + ex.Errors[i].Procedure + "\n"); } Console.WriteLine(errorMessages.ToString()); MessageBox.Show(ex.Errors[0].Message.ToString(), "Asignar Materia", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }