Dim doc As New PrintDoc

Dim rt As New prt.RenderTable
Dim tb as Table = Tables("清单")
rt.CanSplitHorz = True
rt.Style.Font = tb.Font
For c As Integer = 0 To tb.Cols.Count -1 
    rt.Cells(0,c).Text = tb.Cols(c).Name 
    rt.Cells(0,c).Style.TextAlignHorz = prt.AlignHorzEnum.Center 
    rt.Cols(c).Width = tb.Cols(c).PrintWidth  
    If tb.Cols(c).IsNumeric Orelse tb.Cols(c).IsDate Then 
        rt.Cols(c).Style.TextAlignHorz = prt.AlignHorzEnum.Right 
    End If
    For r As integer = 0 To tb.Rows.Count -1 
        rt.Cells(r + 1, c).Text = tb(r,c)
    Next
Next
rt.CellStyle.Spacing.All = 1
rt.Rows(0).Style.TextAlignHorz = prt.AlignHorzEnum.Center
rt.RowGroups(0,1).Header = prt.TableHeaderEnum.All
doc.Body.Children.Add(rt)

doc.Preview()