Проблема с кодировкой при чтении HTML-страницы

 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim request1 As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create("http://translate.google.ru/translate_a/t?client=x&text=long day&sl=en&tl=ru")
            Dim response1 As System.Net.HttpWebResponse = request1.GetResponse
            Dim sr1 As System.IO.StreamReader = New System.IO.StreamReader(response1.GetResponseStream, System.Text.Encoding.Default())
            Dim source1 As String = sr1.ReadToEnd
 
            TextBox1.Text = source1
 
 
        Catch ex As Exception
 
        End Try
 
 
    End Sub

System.Text.Encoding.Default на System.Text.Encoding.UTF8

 Dim r As New System.IO.StreamReader(myHttpWebResponse.GetResponseStream, System.Text.Encoding.GetEncoding(1251))

 Dim r As New System.IO.StreamReader(myHttpWebResponse.GetResponseStream, System.Text.Encoding.GetEncoding(65001))