Sort Numeric / Decimal Column in Datagridview

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VB

Hi Guys

I have a Datagridview which is bound Like so

Dim xmlFile2 As XmlReader
          xmlFile2 = XmlReader.Create("C:\MASTER.xml", New XmlReaderSettings())




          Dim ds2 As New DataSet
          Dim dv2 As DataView
          ds2.ReadXml(xmlFile2)
          dv2 = New DataView(ds2.Tables(0), "InvDesc Like '%" & InvDesc.Text & "%'   ", "QCode", DataViewRowState.CurrentRows)

          DataGridView8.DataSource = dv2

          xmlFile2.Close()

It works fine and it sorts it by "QCode" which is (Numeric / Decimal) column
But it does not sort it properly.
Result:

111.34
35.56
98.80
99.68

Should be:
35.56
98.80
99.68
111.34

I have tried all sorts of ideas and sorting methods
Any suggestions :)