I have a dataset created from an xml file
how can I create a datareader (dataview ?)  ?? to return sql results

===========
  Dim ds As New DataSet()
  Dim sr As New StringReader(my_xmlData)
  ds.ReadXml(sr)

'query the dataset
'----------------------------
Dim sql As string = "Select [bla bla] From [bla bla] Where [bla bla]"

'
' ------what goes here to create datareader (dataview ?) ???????
'

  'check for existence of records
  '-------------------------------------------
Dim dr As System.Object
dr= myCommand.ExecuteReader()

if dr.HasRows then
  While dr.read

     'retrieve data
     'bla bla bla.....

  End While
end if