如何转换pdf格式的页面。 [英] how to convert page in pdf format.

问题描述

我想创建pdf因为它是网页...我有网页，当我点击按钮然后页面应该下载为pdf格式..plz帮助我？

解决方案

 protected void ButtonCreatePdf_Click（object sender，EventArgs e）
 {
 //在响应流中设置内容类型
 Response.ContentType =application / PDF格式; 
 Response.AddHeader（content-disposition，attachment; filename = FileName.pdf）; 
 Response.Cache.SetCacheability（HttpCacheability.NoCache）; 
 //将PlaceHolder渲染到临时流
 System.IO.StringWriter stringWrite = new StringWriter（）; 
 System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter（stringWrite）; 
 PlaceholderPdf.RenderControl（htmlWrite）; 
 StringReader reader = new StringReader（stringWrite.ToString（））; 
 //创建PDF文档
文档doc = new Document（PageSize.A4）; 
 HTMLWorker parser = new HTMLWorker（doc）; 
 PdfWriter.GetInstance（doc，Response.OutputStream）; 
 doc.Open（）; 
 try 
 {
 //创建一个页脚，显示页码
 HeaderFooter footer = new HeaderFooter（new Phrase（This is page：），true）
 {Border = Rectangle.NO_BORDER}; 
 doc.Footer = footer; 
 //解析Html 
 parser.Parse（读者）; 
} 
 catch（Exception ex）
 {
 //在PDF中显示解析器错误。 
 //在VS 
的Debug.Output窗口中也可以看到分析器错误段落段落=新段落（错误！+ ex.Message）; 
 paragraph.SetAlignment（center）; 
 Chunk text = paragraph.Chunks [0] as Chunk; 
 if（text！= null）
 {
 text.Font.Color = Color.RED; 
} 
 doc.Add（段落）; 
} 
最后
 {
 doc.Close（）; 
} 
} 

参考： http://hamang.net/2008/08/14/html-to-pdf-in-net/ [ ^ ]

http://stackoverflow.com / questions / 11564173 / how-do-i-convert-several -wew-pages-into-one-pdf-document [ ^ ]

this应该让你开始。但我相信这段代码将与itextsharp.dll一起使用。如果我记得正确你将不得不使用第三方功能来创建pdf'。



你可以将页面放在div或某种类型中对于渲染上的容器，我的示例使用gridview。

 受保护  Sub  Button1_Click（发件人作为 对象，e  As  EventArgs）句柄 Button1.Click 
 Response.ContentType =   application / pdf 
 Response.AddHeader（ < span class =code-string> content-disposition，  attachment; filename = example& Year（Now）& Month（Now）& Day（Now）& Hour（Now）& Minute（Now）& Second（Now）&  。pdf）
 Response.Cache.SetCacheability（HttpCacheability.NoCache）
  Dim  sw  As  新 StringWriter（）
  Dim  hw  As  新 HtmlTextWriter（sw）
  Dim  frm  As  新 HtmlForm（） 
 GridView2.AllowPaging =  False  
 GridView2.Parent.Controls.Add（frm）
 frm.Attributes（  runat）=   server 
 GridView2.HeaderRow.Style.Add（  color， ＃62A265）
 GridView2.Style.Add（  font-family ，  Arial，Helvetica，sans-serif;）
 GridView2。 Style.Add（  font-size，  8px）
 frm.Controls.Add（GridView2）
 frm.RenderControl（hw）
  Dim  sr  As  新 StringReader（sw.ToString（）） 
  Dim  pdfDoc 作为 新文件（PageSize.LETTER， 10  .0F， 10  .0F， 10  .0F， 0  .0F）
  Dim  htmlparse r 作为 新 HTMLWorker（pdfDoc）
 PdfWriter.GetInstance（pdfDoc，Response.OutputStream）
 pdfDoc.Open（）
 htmlparser.Parse（sr）
 pdfDoc.Close（）
 Response.Write（pdfDoc）
响应。[结束]（）
 结束  Sub  

i want create pdf as it is web page...mns i have web page and when i click on button then page should download as pdf format..plz help me?

解决方案

protected void ButtonCreatePdf_Click(object sender, EventArgs e)
{
//Set content type in response stream
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=FileName.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
//Render PlaceHolder to temporary stream
System.IO.StringWriter stringWrite = new StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
PlaceholderPdf.RenderControl(htmlWrite);
StringReader reader = new StringReader(stringWrite.ToString());
//Create PDF document
Document doc = new Document(PageSize.A4);
HTMLWorker parser = new HTMLWorker(doc);
PdfWriter.GetInstance(doc, Response.OutputStream);
doc.Open();
try
{
//Create a footer that will display page number
HeaderFooter footer = new HeaderFooter(new Phrase("This is page: "), true)
{ Border = Rectangle.NO_BORDER };
doc.Footer = footer;
//Parse Html
parser.Parse(reader);
}
catch (Exception ex)
{
//Display parser errors in PDF.
//Parser errors will also be wisible in Debug.Output window in VS
Paragraph paragraph = new Paragraph("Error! " + ex.Message);
paragraph.SetAlignment("center");
Chunk text = paragraph.Chunks[0] as Chunk;
if (text != null)
{
text.Font.Color = Color.RED;
}
doc.Add(paragraph);
}
finally
{
doc.Close();
}
}

Reference : http://hamang.net/2008/08/14/html-to-pdf-in-net/[^]

http://stackoverflow.com/questions/11564173/how-do-i-convert-several-web-pages-into-one-pdf-document[^]

this should get you started. but i do beleive this code is to be used in conjunction with itextsharp.dll. If i remeber correctly you''ll have to use a 3rd party function to create pdf''s.

you can probably put the page in a div or some sort of container on render, my example uses a gridview.

Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
    Response.ContentType = "application/pdf"
    Response.AddHeader("content-disposition", "attachment;filename=example" & Year(Now) & Month(Now) & Day(Now) & Hour(Now) & Minute(Now) & Second(Now) & ".pdf")
    Response.Cache.SetCacheability(HttpCacheability.NoCache)
    Dim sw As New StringWriter()
    Dim hw As New HtmlTextWriter(sw)
    Dim frm As New HtmlForm()
    GridView2.AllowPaging = False
    GridView2.Parent.Controls.Add(frm)
    frm.Attributes("runat") = "server"
    GridView2.HeaderRow.Style.Add("color", "#62A265")
    GridView2.Style.Add("font-family", "Arial, Helvetica, sans-serif;")
    GridView2.Style.Add("font-size", "8px")
    frm.Controls.Add(GridView2)
    frm.RenderControl(hw)
    Dim sr As New StringReader(sw.ToString())
    Dim pdfDoc As New Document(PageSize.LETTER, 10.0F, 10.0F, 10.0F, 0.0F)
    Dim htmlparser As New HTMLWorker(pdfDoc)
    PdfWriter.GetInstance(pdfDoc, Response.OutputStream)
    pdfDoc.Open()
    htmlparser.Parse(sr)
    pdfDoc.Close()
    Response.Write(pdfDoc)
    Response.[End]()
End Sub

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