vb 2008 array help generating numbers and putting them into text boxes

Hi,
I have the following code and need to know how to get an array of numbers and place them into boxes (with no duplicates)

The code that I have is shown  below:

 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       
        Randomize()
        ' Generate random value between 1 and 6.
        Dim value As Integer = CInt(Int((6 * Rnd()) + 1))
        TextBox1.Text = value

    End Sub

I have 6 textboxes numbered as follows textbox1, textbox2 etc

I want the numbers to be random but no repeat numbers

Regards