Datagrid won't display results

Hi,

I have a datagrid which is populated after i run a function which returns a datatable.  However the gridview will not display the results.  I have attached the code.  Can any body lend us a hand?  

I have test the datatable to see if there is data in it by using msgbox to display data from the various rows so I know there is data there.

I have posted the code for your perousal.

Kind Regards,

Tim

Protected Sub Button3_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button3.Click
        Dim Token As String = Me.resultlabel.Text
        Dim gvfiles As New GridView
        Dim mydatatable As New Data.DataTable






        mydatatable = returnitems(Token, "\CHRISTADSTUDIES\Studies") 'this functions returns a datatable
        Dim row1 As Data.DataRow = mydatatable.Rows(2)
        MsgBox(row1(0).ToString) 'test to make sure data is in the table
        gvfiles.AutoGenerateColumns = True
        gvfiles.DataSource() = mydatatable
        gvfiles.DataBind()

        errorlabel.Text = "completed" 'A label I used to make sure the code ran thru to the end.
    End Sub

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