Changer couleur GridView C#

static string ConnectionString = "server=PC-LENOVO;Database=GesCom;Integrated Security=true";
        SqlConnection objConnection = new SqlConnection(ConnectionString);
        
 string sqlQuery = "select * from question4 where code_cmd = 1"  ;
            SqlCommand sqlCommand = new SqlCommand(sqlQuery, objConnection);
            try
            {

                SqlDataAdapter SDA = new SqlDataAdapter();
                SDA.SelectCommand = sqlCommand;
                DataTable table = new DataTable();
                SDA.Fill(table);

                BindingSource bSource = new BindingSource();
                bSource.DataSource = table;
                dataGridView1.DataSource = bSource;
                SDA.Update(table);

            }catch(Exception ex)
            {

            }