public Rate(Tariff tariff, Zone zone, double peakRate, double offPeakRate)
{
this.Tariff = tariff;
this.Zone = zone;
this.PeakRate = peakRate;
this.OffPeakRate = offPeakRate;
}
public bool Update(Tariff tariff)
{
DbCommand updateCommand = database.CreateCommand(SQL_UPDATE);
database.DefineParameter(updateCommand, "@Id", DbType.String, tariff.Id);
database.DefineParameter(updateCommand, "@Name", DbType.String, tariff.Name);
database.DefineParameter(updateCommand, "@BasicFee", DbType.Double, tariff.BasicFee);
return database.ExecuteNonQuery(updateCommand) == 1;
}