private void textBox1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { try { AlunosDAO dao = new AlunosDAO(); AlunoEnt aluno = dao.SelectPorId(textBox1.Text.ToInt()); Form formulario = new frmFormulario() { FormBorderStyle = System.Windows.Forms.FormBorderStyle.Sizable }; formulario.Controls.Add(new frmAluno(aluno, Tranz.Alterar)); formulario.Size = formulario.Controls[0].Size; formulario.ShowDialog(); this.Close(); } catch (Exception erro) { MessageBox.Show(erro.Message); } } }