帮助中有关专业报表打印部分列的代码，将其加入按钮代码报错，不知什么原因，请各位老师指教，谢谢！！

希望加入的代码：

Dim ColNames As String() = New String(){"产品","单价","折扣","数量""金额","日期",}

将上面的代码，替换黄色标记的代码出错。在CaseStudy文件夹下的专业报表中测试。

按钮代码：

Dim doc As New PrintDoc \'定义一个新报表
Dim tb As Table = Tables("订单")  \'捆绑表
Dim ColNames As New List(Of String)
Dim prs As Integer = 40   \'每页40行
Dim sum1 As Integer = 0  \'定义整数变量(小计)
Dim sum2 As Double = 0 \'定义双精度变量(合计)
Dim tsum1 As Integer = 0  \'定义整数变量(小计)
Dim tsum2 As Double = 0 \'定义双精度变量(合计)
For p As Integer = 0 To math.Ceiling(tb.Rows.Count / prs) - 1  \'大循环,计算共几页
    ColNames.Clear
    Dim rt As New prt.RenderTable   \'定义一个新表格
    For Each cl As Col In tb.Cols \'排除隐藏列
        If cl.Visible Then
            ColNames.Add(cl.Name)
        End If
    Next
    rt.Width = "Parent.Width" \'表格宽度等于容器宽度
    rt.CanSplitHorz = True  \'表格宽度超出页宽时,可以水平换页
    rt.Style.Font = tb.Font
    rt.Style.Gridlines.All = New prt.Linedef(Color.Gray)  \'灰色网格线
    rt.CellStyle.Spacing.All = 1.0   \'单元格内距设为1.0毫米
    For c As Integer = 0 To ColNames.Count - 1 \'逐列设置和填入内容
        rt.Cells(0,c).Text = ColNames(c)   \'列名作为标题
        rt.Cells(0,c).Style.TextAlignHorz = prt.AlignHorzEnum.Center   \'标题内容水平居中
        rt.Cols(c).Width = tb.Cols(ColNames(c)).PrintWidth \'列宽等于实际列宽
        If tb.Cols(ColNames(c)).IsNumeric OrElse tb.Cols(ColNames(c)).IsDate Then \'如果是数值或日期列
            rt.Cols(c).Style.TextAlignHorz = prt.AlignHorzEnum.Right \'数据水平靠右
        Else
            rt.Cols(c).Style.TextAlignHorz = prt.AlignHorzEnum.Center  \'数据水平居中
        End If
        For r As Integer = p * prs To math.min(tb.Rows.Count - 1,( p + 1) * prs - 1)  \'小循环
            rt.Cells(r - p * prs + 1, c).Text = tb.rows(r)(c)
            If (ColNames(c)) = "数量" \'设置格式
                rt.Cells(r - p * prs + 1, c).Text = format(tb.rows(r)(ColNames(c)),"0")
            ElseIf (ColNames(c)) = "金额"
                rt.Cells(r - p * prs + 1, c).Text = format(tb.rows(r)(ColNames(c)),"0.00")
            Else
                rt.Cells(r - p * prs + 1, c).Text = tb.rows(r)(c)
            End If
        Next
    Next
    Sum1 = 0
    sum2 = 0
    For r As Integer = p * prs To math.min(tb.Rows.Count - 1,( p + 1) * prs - 1) \'累计
        Sum1 =sum1 + tb.rows(r)("数量")
        sum2 =sum2 + tb.rows(r)("金额")
    Next
    Tsum1 = tsum1 + sum1
    tsum2 = tsum2 + sum2
    rt.Rows.Count = rt.Rows.Count + 1 \'增加小计行
    rt.Rows(rt.Rows.count -1)(3).text = "本页小计"
    rt.Rows(rt.Rows.count -1)(4).Text = format(sum1,"0")  \'设置小计格式
    rt.Rows(rt.Rows.count -1)(5).Text = format(sum2,"0.00")
    If p < math.Ceiling(tb.Rows.Count / prs) - 1
        rt.BreakAfter = prt.BreakEnum.Page
    Else
        rt.Rows.Count = rt.Rows.Count + 1 \'增加合计行
        rt.Rows(rt.Rows.count -1)(3).text = "合计"
        rt.Rows(rt.Rows.count -1)(4).Text = format(tsum1,"0") \'设置合计格式
        rt.Rows(rt.Rows.count -1)(5).Text = format(tsum2,"0.00")
    End If
    doc.Body.Children.Add(rt)  \'将表格加入到报表
Next
\'设置页眉
Dim rx As New prt.RenderTable
rx.Cells(0,0).Text = Date.Today
rx.Cells(0,1).Text = "订单明细"
rx.Cells(0,2).Text = "第[PageNo]页,共[PageCount]页"
rx.Cols(0).Style.TextAlignHorz = prt.AlignHorzEnum.Left \'水平靠左
rx.Cols(0).Style.TextAlignVert = prt.AlignVertEnum.Bottom \'垂直靠下
rx.Cols(1).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'水平居中
rx.Cols(2).Style.TextAlignHorz = prt.AlignHorzEnum.right \'水平靠右
rx.Cols(2).Style.TextAlignVert = prt.AlignVertEnum.Bottom \'垂直靠下
rx.Style.Borders.Bottom = New prt.LineDef \'设置底边框
rx.CellStyle.Spacing.Bottom = 1 \'底端内容缩进1.0毫米
rx.Cells(0,1).Style.FontSize = 14  \'设置第二列行字号
rx.Cells(0,1).Style.FontBold = True \'字体加粗
Doc.PageHeader = rx \'作为页眉使用
Doc.Preview() \'预览

czy老师，发现问题，部分值和列标题不对应，日期的值也不对，问题出在哪里？请指教。谢谢！！

呵呵，不好意思，这怪我没有检查你的代码，只是简单的用了替换。

Dim doc As New PrintDoc \'定义一个新报表
Dim tb As Table = Tables("订单")  \'捆绑表
Dim prs As Integer = 40   \'每页40行
Dim sum1 As Integer = 0  \'定义整数变量(小计)
Dim sum2 As Double = 0 \'定义双精度变量(合计)
Dim tsum1 As Integer = 0  \'定义整数变量(小计)
Dim tsum2 As Double = 0 \'定义双精度变量(合计)
For p As Integer = 0 To math.Ceiling(tb.Rows.Count / prs) - 1  \'大循环,计算共几页
    Dim ColNames As String() = {"产品","单价","折扣","数量","金额","日期"}
    Dim rt As New prt.RenderTable   \'定义一个新表格
    rt.Width = "Parent.Width" \'表格宽度等于容器宽度
    rt.CanSplitHorz = True  \'表格宽度超出页宽时,可以水平换页
    rt.Style.Font = tb.Font
    rt.Style.Gridlines.All = New prt.Linedef(Color.Gray)  \'灰色网格线
    rt.CellStyle.Spacing.All = 1.0   \'单元格内距设为1.0毫米
    For i As Integer = 0 To ColNames.Length -1 \'逐列设置和填入内容
        rt.Cells(0,i).Text = ColNames(i)   \'列名作为标题
        rt.Cells(0,i).Style.TextAlignHorz = prt.AlignHorzEnum.Center   \'标题内容水平居中

        rt.Cols(i).Width = tb.Cols(ColNames(i)).PrintWidth \'列宽等于实际列宽
        If tb.Cols(ColNames(i)).IsNumeric OrElse tb.Cols(ColNames(i)).IsDate Then \'如果是数值或日期列
            rt.Cols(i).Style.TextAlignHorz = prt.AlignHorzEnum.Right \'数据水平靠右
        Else
            rt.Cols(i).Style.TextAlignHorz = prt.AlignHorzEnum.Center  \'数据水平居中
        End If
        For r As Integer = p * prs To math.min(tb.Rows.Count - 1,( p + 1) * prs - 1)  \'小循环
            rt.Cells(r - p * prs + 1, i).Text = tb.rows(r)(ColNames(i))
            If (ColNames(i)) = "数量" \'设置格式
                rt.Cells(r - p * prs + 1, i).Text = format(tb.rows(r)(ColNames(i)),"0")
            ElseIf (ColNames(i)) = "金额"
                rt.Cells(r - p * prs + 1, i).Text = format(tb.rows(r)(ColNames(i)),"0.00")
            Else
                rt.Cells(r - p * prs + 1, i).Text = tb.rows(r)(ColNames(i))
            End If
        Next
    Next
    Sum1 = 0
    sum2 = 0
    For r As Integer = p * prs To math.min(tb.Rows.Count - 1,( p + 1) * prs - 1) \'累计
        Sum1 =sum1 + tb.rows(r)("数量")
        sum2 =sum2 + tb.rows(r)("金额")
    Next
    Tsum1 = tsum1 + sum1
    tsum2 = tsum2 + sum2
    rt.Rows.Count = rt.Rows.Count + 1 \'增加小计行
    rt.Rows(rt.Rows.count -1)(3).text = "本页小计"
    rt.Rows(rt.Rows.count -1)(4).Text = format(sum1,"0")  \'设置小计格式
    rt.Rows(rt.Rows.count -1)(5).Text = format(sum2,"0.00")
    If p < math.Ceiling(tb.Rows.Count / prs) - 1
        rt.BreakAfter = prt.BreakEnum.Page
    Else
        rt.Rows.Count = rt.Rows.Count + 1 \'增加合计行
        rt.Rows(rt.Rows.count -1)(3).text = "合计"
        rt.Rows(rt.Rows.count -1)(4).Text = format(tsum1,"0") \'设置合计格式
        rt.Rows(rt.Rows.count -1)(5).Text = format(tsum2,"0.00")
    End If
    doc.Body.Children.Add(rt)  \'将表格加入到报表
Next
\'设置页眉
Dim rx As New prt.RenderTable
rx.Cells(0,0).Text = Date.Today
rx.Cells(0,1).Text = "订单明细"
rx.Cells(0,2).Text = "第[PageNo]页,共[PageCount]页"
rx.Cols(0).Style.TextAlignHorz = prt.AlignHorzEnum.Left \'水平靠左
rx.Cols(0).Style.TextAlignVert = prt.AlignVertEnum.Bottom \'垂直靠下
rx.Cols(1).Style.TextAlignHorz = prt.AlignHorzEnum.Center \'水平居中
rx.Cols(2).Style.TextAlignHorz = prt.AlignHorzEnum.right \'水平靠右
rx.Cols(2).Style.TextAlignVert = prt.AlignVertEnum.Bottom \'垂直靠下
rx.Style.Borders.Bottom = New prt.LineDef \'设置底边框
rx.CellStyle.Spacing.Bottom = 1 \'底端内容缩进1.0毫米
rx.Cells(0,1).Style.FontSize = 14  \'设置第二列行字号
rx.Cells(0,1).Style.FontBold = True \'字体加粗
Doc.PageHeader = rx \'作为页眉使用
Doc.Preview() \'预览

其实你一开始的代码就有问题，包括另外一个贴中，只要隐藏了一列数据肯定就不对应。

只是大家都粗心没有及时发现这个问题。