private int getTaxDeclaration(int comId, string pattern, string serial, string invNo)
{
int result = -2;
IPublishInvoiceService PubIn = IoC.Resolve <IPublishInvoiceService>();
string latestTaxDeclarationDate = PubIn.GetLatestTaxDeclarationDate();
if (latestTaxDeclarationDate != null)
{
string createDateByFKey = PubIn.GetArisingDateByinvNo(comId, pattern, serial, invNo);
DateTime latestTaxDeclarationDateTime = System.Convert.ToDateTime(latestTaxDeclarationDate);
DateTime createDateFKey = System.Convert.ToDateTime(createDateByFKey);
result = DateTime.Compare(createDateFKey, latestTaxDeclarationDateTime);
}
return(result);
}