Real World XML

Handling Variable-Size Hierarchical Data in XML Documents

We've seen that Internet Explorer DSOs can handle hierarchical recordsets in which each record itself has an internal recordset. The internal recordsets I used each contained two records, but that's hardly a realistic example; in real-world documents, recordsets can be of any length. How do the DSOs in Internet Explorer stack up here? Take a look at this new document, ch08_11.xml, in which each internal recordset has between one and three <DELIVERY> records:

Listing . ch08_11.xml

<?xml version="1.0"?> <CUSTOMERS> <CUSTOMER> <NAME>Charles</NAME> <RECORD> <CUSTOMER_ID>58704</CUSTOMER_ID> <PURCHASE_DATE>10/15/2003</PURCHASE_DATE> <DEPARTMENT>Meat</DEPARTMENT> <PRODUCT_NAME>Ham</PRODUCT_NAME> ...