❔ Help in sql client query Update

 private void dataGridViewAcoesPendentes_CellClick_2(object sender, DataGridViewCellEventArgs e)
        {
            if (dataGridViewAcoesPendentes.Columns[e.ColumnIndex].HeaderText == "BtnEditar")
            {
                int id;
                id = Convert.ToInt32(dataGridViewAcoesPendentes.Rows[e.RowIndex].Cells["acaoID"].Value);

                con.Open();
                try
                {
                    SqlCommand cmd = new SqlCommand("UPDATE tbl_acoes SET estado = 'Validado'", con);
                    int result = cmd.ExecuteNonQuery();
                    if (result > 0)
                    {
                        MessageBox.Show("Ação Validado");
                        SqlCommand cmd2 = new SqlCommand("SELECT * FROM tbl_acoes WHERE estado = 'pendente'", con);
                        DataTable dt = new DataTable();
                        dt.Load(cmd2.ExecuteReader());
                        dataGridViewAcoesPendentes.DataSource = dt;
                        con.Close();
                    }
                    else
                    {
                        MessageBox.Show("Ensaio nao validado!");
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
                finally
                {
                    con.Close();
                }
            }
        }