VS 2008 Crystal Report fillds not showing decimals

Im sending Datagridview records to crystal report by data table and im using this code.


Dim ds As New DataTable



With ds
.Columns.Add("Naziv")
.Columns.Add("Ed.Mera")
.Columns.Add("Kolicina")
.Columns.Add("Neto Cena")
.Columns.Add("%")
.Columns.Add("Iznos")
.Columns.Add("Cena po ed.mera")
.Columns.Add("Vkupen Iznos")


End With
For Each dr As DataGridViewRow In Me.DataGridView1.Rows

ds.Rows.Add(dr.Cells("Column3").Value, dr.Cells("Column13").Value, dr.Cells("Column4").Value, dr.Cells("Column11").Value, dr.Cells("Column8").Value, dr.Cells("Column12").Value, dr.Cells("Column5").Value, dr.Cells("Column6").Value)





and in number fields in crystal report i want the record to be shown as decimal ex. not 20.668686 bu 20.66 or 20.67




and in the number fields in my crystal report when i press format object and i goo to number tab and i set the style to (1,123.00) press ok and nothing hapens when i printpreview my report the number ar not shown as i mentioned before. 20.66 but is 20.66686 example.