private void btnInicioS_Click(object sender, EventArgs e) { try { conn.Open(); sql = "select * from public.user where name_user = '******' and pwd_user = '******'"; NpgsqlCommand cmd = new NpgsqlCommand(sql, conn); NpgsqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { formulario.Show(); this.Hide(); conn.Close(); } else { MessageBox.Show("Verifcar usuaio o contraseña"); conn.Close(); } } catch (Exception error) { MessageBox.Show("Error" + error); conn.Close(); } }
private void btnIngresos_Click(object sender, EventArgs e) { this.Hide(); f102A.Show(); }