Удалить выбранную в DGV строку из БД - Visual Basic .NET

 Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
        Dim c As String
        c = Form1.TextBox1.Text
        Dim zp As String
        zp = Form1.ListBox1.Text
        Dim CONECTION = New OleDbConnection("Provider=Microsoft." & "Jet.OLEDB.4.0;Data Source=" & c & "" & zp) 'это путь
        CONECTION.Open()
        Dim COMAND = New OleDbCommand("delete from [Результаты] WHERE (DataGridView1.SelectedItem)")
        COMAND.Connection = CONECTION
        COMAND.ExecuteNonQuery()
        MessageBox.Show("запись удалилась")
        CONECTION.Close()
 
    End Sub
End Class