An example repository with timing method wrapping the database calls.

SimpleCSharpRepositoryWithTimingMethod

public class Repository
{
  private ISqlExecutioner _sqlExecutioner;
  private string _connectionString;
  private long _dbQueryRequestTime;
  
  public long DbQueryRequestTime { get { return _dbQueryRequestTime; }}
  
  public Repository (ISqlExecutioner sqlExecutioner, string connectionString)
  {
    _sqlExecutioner = sqlExecutioner;
    _connectionString = connectionString;
  }
  
  public static DataSet GetSomeStuffFromTheDatabase(int thingId)
  {
    const string PROCEDURE_NAME = "GetMeSomeData";
    var parameterLisst = new SqlParameterList();
    parameterList.Add("@thing_id", SqlDbType.Int, thingId);
    
    return TimeCall(() => 
            _sqlExecutioner.ExecuteQuery(_connectionString, PROCEDURE_NAME, parameterList)
            ,ref _dbQueryRequestTime) ;
  }
  
  private static DataSet TimeCall(
            Func<DataSet> func,
            ref long dbQueryRequestTime)
        {
            var stopwatch = Stopwatch.StartNew();
            var result = func();
            stopwatch.Stop();
            Interlocked.Add(ref dbQueryRequestTime, stopwatch.ElapsedTicks);
            return result;
        }
}