silvelight Insert, update and delete using Isolated datastore

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C#

Hi all,

I am creating a simple Silverlight application doing insert, delete and update Operation in a datagrid. i have 2 textbox controls and a add button. For a click of add button the content from textbox should place in xml as isolated datastore so that we can insert multiple rows in side the xml and displaying in the datagrid without saving into the database.

Im struck in getting xml data into dataset or datatable since there s no system.data namespace in the silverlight. So how can i send those xml values to the WebService to save in the database

Thank you in advance
Sharathrr