How to use Dataview to filter data from a datatable

This code shows how to use DataView to filter data from datatable.

        Dim objDT As New DataTable
        Dim objDV As DataView
        Dim strQuery As String
        
        'Query for filling data in datatable.
        strQuery = "Select * from OITM"
        'In GetData() function,query is fired and data is 
        'saved in objDT.          
        objDT = GetData(strQuery)
        If objDT.Rows.Count > 0 Then
        'The dataview objDV is filtered over the column
        'code.All the records whose Code is BBAG are 
        'extracted from the datatable objDT and saved in 
        'dataview objDV.    
   objDV=New DataView(objDT,"Code='BBAG'","Code",DataViewRowState.CurrentRows)
            If objDV.Count > 0 Then
                'The value from 1st row and 1st column is displayed 
                MessageBox.Show(objDV.Item(0).Item(0))
            End If
        End If