rowfilter

[beee]

Hie I hve a problem with rowfilter in vb.net.Im writing a program which displays two screens the first one should display the orders and the second one should show the order details of the selected order on the first screen.Im hvin a problem with the second screen becoz wen i double click a row on the first screen no results are displayed on the second screen i think ther is smething wrong with the way im filterin my dataview.
the code im using is

Private Sub DataGrid1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles DataGrid1.DoubleClick
        Dim orderdetails As New Form2
        Dim y As String

        Dim d1 As Double
        orderdetails.Show()
        dvorders = New DataView
        dvorders.Table = dsShop.Tables("orders")

        y = (Me.DataGrid1.Item(Me.DataGrid1.CurrentRowIndex, 0))
        d1 = y
dvorders.RowFilter = "orderid" = y 
        orderdetails.DataGrid1.DataSource = dvorders
        End Sub

any help please?