'Dim e = args(0)
Tables("活动家居产品库").Sort = "产品系列"
Dim doc As New PrintDoc
Dim rt As Prt.RenderTable
Dim rx As prt.RenderText
'Dim rm As New prt.RenderImage() '定义一个图片对象
''加入标题
'doc.Pagesetting.LandScape = True
rx = New prt.RenderText
rx.Text = "全案定制家居产品清单 "
rx.Style.FontBold = True '字体加粗
rx.Style.FontSize = 16 '大体大小为16磅
rx.Style.TextAlignHorz = prt.AlignHorzEnum.Center '水平居中排列
rx.Style.Spacing.Top = 3 '和下面的对象(表格)距离3毫米
rx.Style.Spacing.Bottom = 3 '和下面的对象(表格)距离3毫米
doc.Body.Children.Add(rx) '加入到报表中
doc.PageSetting.PaperKind = 9 '9等于A4纸张
doc.PageSetting.Landscape = False '横向打印
Doc.PageSetting.LeftMargin = 15 '设置左边距
Doc.PageSetting.RightMargin = 5 '设置右边距
Doc.PageSetting.TopMargin = 10 '设置上边距
Doc.PageSetting.BottomMargin = 5 '设置下边距
''设置页眉
Dim rxj As New prt.RenderTable
rxj.Cells(0,0).Image = GetImage("citylogo (2).jpg") '设置图片
''rx.Style.ImageAlign.StretchHorz = False '禁止水平方向扩展图片
''rx.Style.ImageAlign.StretchVert = False '禁止垂直方向扩展图片
rxj.Width = "Auto" '宽度等于页面宽度
rxj.Height = 5 '高度由图片大小自动决定
rxj.Cells(0,1).Text = "城市之窗家居集团"
rxj.Cells(0,2).Text = "中国驰名商标 / 国家高新企业"
rxj.Cols(0).Style.TextAlignHorz = prt.AlignHorzEnum.Left
rxj.Cols(1).Style.TextAlignHorz = prt.AlignHorzEnum.Center
rxj.Cols(2).Style.TextAlignHorz = prt.AlignHorzEnum.right
rxj.Style.Borders.Bottom = New prt.LineDef '设置底边框
rxj.CellStyle.Spacing.Bottom = 0.5 '底端内容缩进0.5毫米
rxj.Style.FontSize = 8 '字体大小为8磅
Doc.PageHeader = rxj '作为页眉使用
'设置页脚
rxj = New prt.RenderTable
rxj.Cells(0,0).Text = Date.Today
rxj.Cells(0,1).Text = "湖南城市之窗全案定制家居美学馆"
rxj.Cells(0,2).Text = "第[PageNo]页,共[PageCount]页"
rxj.Cols(0).Style.TextAlignHorz = prt.AlignHorzEnum.Left
rxj.Cols(1).Style.TextAlignHorz = prt.AlignHorzEnum.Center
rxj.Cols(2).Style.TextAlignHorz = prt.AlignHorzEnum.right
rxj.Style.Borders.Top = New prt.LineDef '设置底边框
rxj.CellStyle.Spacing.Bottom = 0.5 '底端内容缩进0.5毫米
rxj.Style.FontSize = 8 '字体大小为8磅
Doc.PageFooter = rxj '作为页眉使用
'Dim CurRow As Row = Tables("活动家居产品库").Current
Dim tbl As Table = Tables("活动家居产品库")
Dim Rows As List(Of DataRow)
Dim Regions As List(Of String) = tbl.DataTable.GetValues("产品系列")
For Each Region As String In Regions
rx = New prt.RenderText
rx.Style.FontSize = 14
rx.Style.FontBold = True
rx.Style.Spacing.Bottom = 2
rx.Text = "产品系列: " & Region
doc.Body.Children.Add(rx)
rt = New prt.RenderTable
rt.Style.Font = Tables("活动家居产品库").Font
rt.Style.TextAlignVert = prt.AlignVertEnum.Center
rt.Style.GridLines.All = New prt.LineDef(0.3,Color.LightGray)
rt.Style.Spacing.Bottom = 5
rt.CellStyle.Spacing.All = 1
rt.Style.Font = tbl.Font
Rows = tbl.DataTable.Select("[产品系列] = '" & Region & "'") '分组列为
Dim tb As Table = Tables("活动家居产品库")
Dim ColNames As String() = New String(){"展区","商品名称","商品图片","商品编码","规格描述","价格","备注"}
rt.Style.Font = tb.Font
rt.Height = "Auto" '设置表格的高度为80毫米
For c As Integer = 0 To ColNames.Length - 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
If ColNames(c) <> "备注" Then '
rt.Cols(c).Width = tb.Cols(ColNames(c)).PrintWidth
End If
For r As Integer = 0 To tb.Rows.Count -1 '开始填入该列内容
If ColNames(c) <>"商品图片"
rt.Cells(r + 1, c).Text = tb.Rows(r)(ColNames(c))
Else
Dim name As String = "d:\data\" & filesys.getname(tb.Rows(r)("商品图片"))
If FileSys.FileExists(name) Then
Else
'msgbox(tb.Rows(r)("商品图片"))
Network.DownloadFile(tb.Rows(r)("商品图片"), name)
End If
'msgbox(name)
rt.Cells(r + 1,2).Image = GetImage(name)
'rt.Style.ImageAlign.AlignHorz = prt.ImageAlignHorzEnum.Center '居中显示
'
End If
'
Next
Next
rt.Style.GridLines.All = New prt.Linedef '设置网格线
rt.Cols(0).Width = 20 '设置前四列的宽度,剩余的宽度被分配给5列(显示图片的那列)
rt.Cols(1).Width = 30
rt.Cols(2).Width = 20
rt.Cols(3).Width = 20
rt.Cols(4).Width = 20
'rt.Cols(5).Width = 30
rt.CellStyle.Spacing.All = 0.5 '内容距离网格线0.5毫米
rt.Style.TextAlignHorz = prt.AlignHorzEnum.Center '第一行内容水平居中
rt.Style.TextAlignVert = prt.AlignVertEnum.Center '第一行内容垂直居中
'rt.Rows(0).Style.TextAlignHorz = prt.AlignHorzEnum.Center '第一行内容水平居中
'rt.Rows(0).Style.TextAlignVert = prt.AlignVertEnum.Center '第一行内容垂直居中
rt.Rows(0).Style.BackColor = Color.LightGray '第一行背景颜色设为灰色.
rt.RowGroups(0,1).Header = prt.TableHeaderEnum.All '将第一行作为表头..
doc.Body.Children.Add(rt) '将表格加入到报表
Next
doc.preview()
上面的代码导出超过100行就会内存爆仓,怎么在运行后释放内存