private void btnGuardar_Click(object sender, EventArgs e) { string name = txtNombre.Text; cbCarrera.ValueMember = "ID_Carrera"; int carr = Convert.ToInt32(cbCarrera.SelectedValue); try { alumnos_Query a = new alumnos_Query(); a.GuardarAlumno(name, carr); txtNombre.Text = ""; txtNombre.Enabled = false; cbCarrera.Text = ""; cbCarrera.Enabled = false; btnGuardar.Enabled = false; btnCancelar.Enabled = false; btnAgregar.Enabled = true; dgAlumno.DataSource = null; } catch (Exception ex) { MessageBox.Show(ex.Message); } }