private void tex_isbn_KeyPress(object sender, KeyPressEventArgs e) { if ((int)e.KeyChar == (int)Keys.Enter) { try { ingreso = 1; lib.v_isbn = tex_isbn.Text; if ((lib.ConsultarLibroAI(lib)).v_isbn.Length != 0) { tex_isbn.Text = lib.v_isbn; tex_titulo.Text = lib.v_titulo; tex_edicion.Text = lib.v_edicion; tex_autor.Text = lib.v_autor; tex_año.Text = lib.v_año; tex_isbn.Enabled = false; tex_año.Enabled = true; tex_autor.Enabled = true; tex_edicion.Enabled = true; tex_titulo.Enabled = true; if (lib.v_estado == 'I') { che_activar_libro.Enabled = true; che_activar_libro.Checked = false; } this.mostrarLista(); com_idioma.Enabled = true; com_tipo_libro.Enabled = true; com_editorial.Enabled = true; } } 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()); this.inicializarDatos(); MessageBox.Show(ex.Errors[0].Message.ToString(), "Modificar Libro", MessageBoxButtons.OK, MessageBoxIcon.Warning); ingreso = 0; } } }