// Import information from file with offers and file with routes (see CSVImport in DataAccess for more info)
public void InitializeImport(string masterDataFilepath, string routeNumberFilepath)
{
CSVImport csvImport = new CSVImport();
csvImport.ImportContractors(masterDataFilepath);
csvImport.ImportRouteNumbers();
csvImport.ImportOffers(routeNumberFilepath);
contractorList = csvImport.SendContractorListToContainer();
routeNumberList = csvImport.SendRouteNumberListToContainer();
ListContainer listContainer = ListContainer.GetInstance();
listContainer.GetLists(routeNumberList, contractorList);
}