X++ code to write data to XML File in Job

static void CreateXmlPurch(Args _args)
{
XmlDocument xmlDoc; //to create blank XMLDocument
XmlElement xmlRoot; // XML root node
XmlElement xmlField;
XmlElement xmlRecord;
XMLWriter xmlWriter;
InventTable inventTable;
DictTable dTable = new DictTable(tablenum(PurchTable));
DictField dField;
int i, fieldId;
str value;
PurchTable purch;
//#InventTags
;

xmlDoc = XmlDocument::newBlank();
xmlRoot = xmlDoc.createElement("Purch");//#ItemRootNode);

// Loop through all the records in the inventTable
while select purch
where purch.PurchStatus == PurchStatus::Backorder
{
// Create a XmlElement (record) to hold the
// contents of the current record.
xmlRecord = xmlDoc.createElement("Records");//#ItemRecords);
// Loop through all the fields in the record
for (i=1; i<=dTable.fieldCnt(); i++)
{
fieldId = dTable.fieldCnt2Id(i);
// Find the DictField object that matches
// the fieldId
dField = dTable.fieldObject(fieldId);

// Skip system fields
if (dField.isSystem())
continue;
// Create a new XmlElement (field) and
// have the name equal to the name of the
// dictField
xmlField = xmlDoc.createElement(dField.name());
// Convert values to string. I have just added
// a couple of conversion as an example.
// Use tableName.(fieldId) instead of fieldname
// to get the content of the field.
switch (dField.baseType())
{
case Types::Int64 :
value = int642str(purch.(fieldId));
break;
case Types::Integer :
value = int2str(purch.(fieldId));
break;
default :
value = purch.(fieldId);
break;
}
// Set the innerText of the XmlElement (field)
// to the value from the table
xmlField.innerText(value);
// Append the field as a child node to the record
xmlRecord.appendChild(xmlField);
}
// Add the record as a child node to the root
xmlRoot.appendChild(xmlRecord);
}
// Add the root to the XmlDocument
xmlDoc.appendChild(xmlRoot);
// Create a new object of the XmlWriter class
// in order to be able to write the xml to a file
xmlWriter = XMLWriter::newFile(@"c:\PurchaseOrders.xml");
// Write the content of the XmlDocument to the
// file as specified by the XmlWriter
xmlDoc.writeTo(xmlWriter);

//Open the file in Internet Explorer
WINAPI::shellExecute("c:\PurchaseOrders.xml");
}