Which method of the DataSet object can be used to view the DataSet in XML format?
The GetXml() method returns the DataSet object in XML form.
What is a DiffGram ?
A DiffGram is an XML document containing both the original data source values and any updated values from the DataSet , as well. This enables you to serialize a DataSet to XML form, and then restore it and still be able to apply the changes to the data back to the data source.