public InvoiceEntity(InvoiceDTO invoice)
{
RowKey = invoice.InvoiceID.ToString();
PartitionKey = invoice.InvoiceYear.ToString();
InvoiceID = invoice.InvoiceID;
InvoiceNumber = invoice.InvoiceNumber;
InvoiceYear = invoice.InvoiceYear;
InvoiceMonth = invoice.InvoiceMonth;
InvoiceDay = invoice.InvoiceDay;
}