Dim doc As New PrintDoc '定义一个新报表
Dim f As New prt.RenderText
Dim rt As New prt.RenderTable() '
doc.PageSetting.PaperKind = 8 '纸张类型改为B5
doc.PageSetting.Landscape = True
Doc.PageSetting.LeftMargin = 10 '设置左边距
Doc.PageSetting.RightMargin = 10 '设置右边距
Doc.PageSetting.TopMargin = 20 '设置上边距
Doc.PageSetting.BottomMargin = 20 '设置下边距
f.Width = "Auto" '对象宽度等于页面宽度
f.Height = "Parent.Height" '对象高度等于页面高度
Dim tb As Table = Tables("粮食直补")
rt.SplitHorzBehavior = prt.SplitBehaviorEnum.SplitIfNeeded '表格宽度超出页宽时,可以水平换页
rt.Style.Font = tb.Font
For c As Integer = 0 To tb.Cols.Count -1 '逐列设置和填入内容
rt.Cells(0,c).Text = tb.Cols(c).Name '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(c).PrintWidth '列宽等于实际列宽
If tb.Cols(c).IsNumeric OrElse tb.Cols(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
End If
For r As Integer = 0 To tb.Rows.Count -1 '开始填入该列内容
rt.Cells(r + 1, c).Text = tb(r,c)
Next
Next
rt.Style.Gridlines.All = New prt.Linedef(Color.Gray) '灰色网格线
rt.CellStyle.Spacing.All = 0.5 '单元格内距设为0.5毫米
rt.Cells(0,0).text = "粮食直补表"
rt.Cells(0,0).SpanCols = 17 '合并第一行全部单元格,用于显示主标题
rt.Cells(0,0).Style.TextAlignHorz = prt.AlignHorzEnum.Center '主标题居中
rt.Cells(0,0).Style.Font = New Font("宋体", 16, FontStyle.Bold) '设置主标题字体
rt.Rows(0).Style.Borders.All = New prt.LineDef("0mm", Color.white) '去掉第一行的网格线
rt.Rows(0).Style.Borders.Bottom = New prt.Linedef '恢复第二行底端的网格线
rt.Rows(1).Style.TextAlignHorz = prt.AlignHorzEnum.Center '第一行内容水平居中
rt.RowGroups(0,2).Header = prt.TableHeaderEnum.All
doc.Body.Children.Add(rt) '将表格加入到报表
doc.Preview()
上述代码怎么不显示行标题啊