主题：请教专业报表:控制每页9行

doc.PageSetting.Width = 240 '纸张宽度为100毫米
doc.PageSetting.Height = 140 '纸张高度为120毫米
Doc.PageSetting.LeftMargin = 8 '设置左边距
Doc.PageSetting.RightMargin = 8 '设置右边距
Doc.PageSetting.TopMargin = 15 '设置上边距
Doc.PageSetting.BottomMargin = 8 '设置下边距

For i As Integer = tbl.TopRow To tbl.BottomRow
    rx = New prt.RenderText
    rx.BreakBefore = prt.BreakEnum.Page '另起一页再打印
    rx.Style.FontSize = 14
    rx.Style.FontBold = True
    rx.Style.Spacing.Bottom = 5
    rx.Text = "订单编号: " & Tables("订单").Rows(i)("订单编号")
    doc.Body.Children.Add(rx)

    rt = New prt.RenderTable
    rt.Style.TextAlignHorz = prt.AlignHorzEnum.Center
    rt.Style.TextAlignVert = prt.AlignVertEnum.Center
    rt.Style.Borders.Bottom = New prt.LineDef(0.3,Color.LightGray)
    rt.CellStyle.Spacing.All = 1
    rt.Cols.Count = 4
    rt.Cells(0,0).Text = "商品名称"
    rt.Cells(0,1).Text = "规格型号"
    rt.Cells(0,2).Text = "计量单位"
    rt.Cells(0,3).Text = "数量"
    rt.Cells(0,4).Text = "单价"
    rt.Cells(0,5).Text = "金额"
    rt.rows(0).Style.Borders.Top = New prt.LineDef(0.1,Color.LightGray)
    rt.rows(0).Style.Borders.Bottom = New prt.LineDef(0.1,Color.LightGray)

    Rows = Tables("订单").Rows(i).DataRow.GetChildRows("订单明细")
    For r As Integer = 0 To Rows.Count - 1
        rt.Cells(r+1,0).Text = rows(r)("商品名称")
        rt.Cells(r+1,1).Text = rows(r)("规格型号")
        rt.Cells(r+1,2).Text = rows(r)("计量单位")
        rt.Cells(r+1,3).Text = rows(r)("数量")
        rt.Cells(r+1,4).Text = rows(r)("单价")
        rt.Cells(r+1,5).Text = rows(r)("金额")
    Next

    doc.Body.Children.Add(rt)
    rx = New prt.RenderText
    rx.Style.FontBold = True
    rx.Style.Spacing.Top = 3
    rx.Text = "产品数目: " & Rows.Count
    rx.Style.TextAlignHorz = prt.AlignHorzEnum.Right
    doc.Body.Children.Add(rx)
Next
doc.Preview