public void UpdateBuildingMonthVariables(BuildingMonthVariables buildingMonthVariables)
        {
            var updatingItem =
                _db.BuildingMonthVariablesTable.Single(variables => variables.Id == buildingMonthVariables.Id);

            updatingItem.CalculationArea = buildingMonthVariables.CalculationArea;
            updatingItem.CountOfPeople = buildingMonthVariables.CountOfPeople;
        }
 public void InsertBuildingMonthVariables(BuildingMonthVariables buildingMonthVariables)
 {
     _db.BuildingMonthVariablesTable.AddObject(buildingMonthVariables);
 }