private void consultaInicial() { ca.v_nombre = this.nombre; ca.v_promocion = this.promocion; try { if ((ca.ConsultarCarreraMateria(ca)).v_materia_carrera.Count != 0) { dat_carrera_materia.ColumnCount = 1; dat_carrera_materia.Columns[0].Name = "materia"; foreach (String materias in ca.v_materia_carrera) { dat_carrera_materia.Rows.Add(materias); } } } 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(), "Consultar Materia", MessageBoxButtons.OK, MessageBoxIcon.Warning); } }