private void btnActualizar_Click(object sender, EventArgs e) { int id = Convert.ToInt32(dgAlumno.CurrentRow.Cells[0].Value); string name = txtNombre.Text; cbCarrera.ValueMember = "ID_Carrera"; int carr = Convert.ToInt32(cbCarrera.SelectedValue); btnActualizar.Enabled = false; btnEliminar.Enabled = false; btnCancelar.Enabled = false; btnAgregar.Enabled = true; txtNombre.Enabled = false; cbCarrera.Enabled = false; if (MessageBox.Show("¿Desea cambiar los datos " + dgAlumno.CurrentRow.Cells[1].Value.ToString() + "?", "Cambio", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { try { alumnos_Query a = new alumnos_Query(); a.Actualizar(id, name, carr); dgAlumno.DataSource = null; txtNombre.Text = ""; cbCarrera.Text = ""; } catch (Exception ex) { MessageBox.Show(ex.Message); } } }