How to store object data(XML format data)?

Hi........
I am developin application using WPF
I am using Backend XML File.

I have a class StockQuoteSoapClient.
StockQuoteSoapClient obj = new StockQuoteSoapClient();
string s = "IBM";
Gridview1.DataContext=obj.GetQuote(s);
obj.GetQuote(s) returns xml format data

Is it right?



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