public static string InsertIntoInvoice(int invID, DateTime date)
{
// set claim number if medicare/dva invoice
System.Collections.Hashtable spParams = new System.Collections.Hashtable();
spParams["@invoice_id"] = invID;
spParams["@invoice_date"] = date;
string claimNbr = DBBase.ExecuteSingleResult_SP("uspCreateClaimNumber", spParams).ToString();
return(claimNbr);
}