Simple DataRow Navigation Question

Hi. I am new to ADO.NET and I can't seem to figure out how to populate a row that is a layer lower than the instantiated row. I am populating and XML file called Users.xml:


Code:


<user>
<registerDate>9/6/2005</registerDate>
<firstName>TempUser</firstName>
<lastName>TempUser</lastName>
<emailAddress>TempUser</emailAddress>
<password>5F4DCC3B5AA765D61D8327DEB882CF99</password>
<securityQuestion>TempUser</securityQuestion>
<securityAnswer>TempUser</securityAnswer>
<zipCode>TempUser</zipCode>
<uniqueID>TempUser</uniqueID>
<alternateEmail>TempUser</alternateEmail>
<gender>TempUser</gender>
<industry>TempUser</industry>
<occupation>TempUser</occupation>
<jobtitle>TempUser</jobtitle>
<maritalstatus>TempUser</maritalstatus>
<birthDay>
<month>TempUser</month>
<day>TempUser</day>
<year>TempUser</year>
</birthDay>
<homelocation>...



and, i am using the below code to access and populate the rows based on the users registration input:


Code:


Dim NewLogin As Data.DataRow = LoginDS.Tables(0).NewRow



I am able to access all the rows that are one layer into the xml file with the following code:


Code:


NewLogin("someNode") = _someNode.Text



but, how do i populate nodes that are "further down" such as "birthDay". Do i have to reinstantiate NewLogin as ...Tables(1).NewRow? I have tried various forms of this and it doesnt work. Suggestions appreciated... thanks.