Format Listview subitems with forced decimal

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.NET

.NET4

Hi everyone

I am trying to insert rows into a listview where most of the items are numeric.

Private Sub but_Accept_Click(sender As System.Object, e As System.EventArgs) Handles but_Accept.Click
    Dim arr(13) As String

    arr(0) = cbo_Vehicle.Text
    arr(1) = String.Format("{0:n2}", txt_Fuel.Text)
    arr(2) = String.Format("{0:n2}", txt_Service.Text)
    arr(3) = String.Format("{0:n2}", txt_Oil.Text)
    arr(4) = String.Format("{0:n2}", txt_Toll.Text)
    arr(5) = String.Format("{0:n2}", txt_eToll.Text)
    arr(6) = String.Format("{0:n2}", txt_Tyres.Text)
    arr(7) = String.Format("{0:n2}", txt_Repairs.Text)
    arr(8) = String.Format("{0:n2}", txt_License.Text)
    arr(9) = String.Format("{0:n2}", txt_Crane.Text)
    arr(10) = String.Format("{0:n2}", txt_Tracker.Text)
    arr(11) = String.Format("{0:n2}", txt_Insurance.Text)
    arr(12) = String.Format("{0:n2}", txt_Depreciation.Text)

    lsv_Financial.Items.Add(New ListViewItem(arr))

End Sub

The value 11, 11.1 or 11.11 could be typed into, lets say, txt_fuel (Textbox).
When I add the array to the listview I get the exact copy of what was entered in the textbox instead of 11.00 or 11.10 (the only correct result is when 11.11 was entered)

I have tried a few different .Format statements but always with the same result.

Can you please advise how I can display decimalised values in the listview.

Thanks.