public static List <SalesAndCollectionModel> LoadAllSalesAndCollections()
{
FileSystemUtility.CopyFile(Environment.CurrentDirectory + salesAndCollectionFilePath, Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + @"\Invoiceasy" + salesAndCollectionFilePath, false);
SalesAndCollectionData = CsvHelperUtility.ReadDataFromFile <SalesAndCollectionModel, SalesAndCollectionModelMap>(salesAndCollectionFilePath);
SalesAndCollectionData = SalesAndCollectionData.OrderBy(x => x.Date).ToList();
return(SalesAndCollectionData);
}