PDF is a popular and hateful file format, but its application is becoming more and more popular. Although the current Office 2007 and later versions support PDF, there are still few free options for generating PDF documents on Microsoft's development platform.
Itextsharp is an open-source project on the mature. NET platform. Its address is http://sourceforge.net/projects/itextsharp /.
According to its offic
When itextsharp was used, there was a small problem. otherwise, this is indeed a very convenient and perfect component, but some domestic online solutions are copied and searched. They are all the same, which is quite disgusting. when using itextsharp, if you need to write the generated PDF content to stream, note that stream will be closed by the itextsharp obje
When itextsharp is used to export PDF files, an error "element not allowed" is reported.So I started to check various places and found that there was no problem compared to the demo I wrote before. Finally, I found an error.Xmlworkerhelper. getinstance (). parsexhtml (writer, Doc, msinput, null, encoding. utf8, new unicodefontfactory (); in this place, check the background,At the same time, it is normal to write a table test. Therefore, you can only d
To generate a PDF document for the project, use vs2010 and ASP. NET.
I did not search for what I wanted for multiple times on the Internet, so I tried to go to the itextpdf official website to read the English documents and complete the task on time. The task was mainly practical and shared with me:Creating a PDF template using an HTML file: one way to use a Custom font:
FontFactory.Register(System.Web.HttpContext.Current.Request.PhysicalApplicationPath + "\\Fonts\\RAGE.TTF", "my
During the use of itextsharp. Text. rectangle, due to the small amount of Chinese data in this field, it causes a lot of inconvenience and consumes working time,
The constructor of itextsharp. Text. rectangle is as follows:PublicRectangle (FloatLLX,FloatLly,FloatUrx,FloatURY );
The Parameter Name of the constructor does not mean anything at all. Although we can see from the semantics of rectangle that
Copy the ITextSharp.dll file to the project's Bin directory, and then add a reference to the project:
Then add the reference in the background code:
Copy Code code as follows:
Using Itextsharp.text;
Using ITextSharp.text.pdf;
Using System.IO;
Using System.Diagnostics;
Create PDFprivate void CreatePDF (){Define a document and set the page size to A4, verticalITextSharp.text.Document doc = new Document (PAGESIZE.A4);Try{Write instancePdfwriter.getinstance (Doc, New FileStrea
ObjectiveRecently, the company has been using Itext to develop PDF reports, using a period of time to find Itext This class library is huge, but as a program ape we do not need to know all the classes and methods, we just need to know how to use.So this article is about how to quickly use the Itextsharp (iText. NET version) for development.Itextsharp Development StepsBefore fast development, let's look at the following 4 classes:
Class
This section describes how to convert the content displayed in the gridview to a PDF document) you can use this program to save the converted PDF file to a specified folder on the server, and then automatically prompt you whether to save the obtained PDF file locally.
Each page of the converted PDF document contains the header of the gridview.
1. Obtain itextsharp. dll (available from the Internet)
2. add reference to this DLL
3. The following describ
Link: Use itextsharp to modify a PDF file (1)
ThisItextsharpIt is indeed a good thing to create and readPDFAlthough my requirements are relatively simple, I have read the relevant documents basically and completely. If I do not like English comrades, I can search for an articleC #ProductionPDFFile full strategy (xing Anting), this article
ArticleYes
Sir in useItextsharpAlthough the focus is on how to createPDFFile, read and modify
Using iTextSharp. text;
Using iTextSharp.text.pdf;
Public void pdfreadonly (string comment name)
{
String pdfFile = cmdname; // "d :\\ sampleile ";
// Read the file into the memory and immediately release the file handle to overwrite the original file.
PdfReader reader = new PdfReader (File. ReadAllBytes (pdfFile ));
// Obtain the MetaData information of this file
Dictionary
Reader. Close ();
// Overwrite the original PDF File
Optional stamper
Http://blog.csdn.net/yinshuhai/article/details/3042702
Using itextsharp. text;
Using itextsharp.text.pdf;
///
/// PDF file Merging
///
Class merge mergemanager
{
Private volume writer PW;
Private pdfreader reader;
Private document;
Private metadata contentbyte CB;
Private pdfimportedpage Newpage;
///
/// Build the merge management through the output file and merge it into the new file. After the merge is completed, call the finishedmerge method.
In the operation of the PDF file will encounter the PDF file encryption, can not operate the problem, looking for data from the network the morning, tinker out the following code, you can convert the encrypted PDF into an unencrypted PDF file, pure code, without the use of PDF decryption software, before using the following references need to be imported, The Itextsharp version used is 5.5.9.0.1 using iTextSharp.text.pdf; 2 using Itextsharp.text; 3 us
This method has also been used for a long time, because the amount of data is less.
At the beginning, Adobe livecycle designer can also be used to insert an empty chapter into a pdf. However, the fieldid of an empty chapter is long.
"Topmostsubform [0]. page1 [0]. A [0] ", cannot be located when checking the kernel. you can use the existing PDF file of the itextsharp connector Stamper!
However, it takes a long time to find the reader flow to the
Http://aspspider.net/tonyfox/#/there is an example of itextsharprunning on ASP.net 2.0 (because of website problems, it is often reported that the database errors are inexplicable, as long as you refresh the page several times, and you do not know where there is better ).
However, when I encountered a problem, a simple itextsharp ASP. NET example (which was converted from the itext JSP version) was not output in ASP. net2.0, but I triedProgramDownloa
BackgroundPre-populate the form items based on the PDF Template, generate a new PDF file, and keep the form fields allowed to continue modifying.Code snippetUsing ITextSharp.text.pdf;/ * Code Snippet * /using (var dia = new SaveFileDialog ())) {dia. Filter = @ "PDF files|*.pdf"; Dia. FileName = string. Format ("pdf_{0}", DateTime.Today.ToString ("Yyyy-mm-dd")); if (DIA. ShowDialog () = = DialogResult.OK) {using (FileStream Fswrite = new FileStream (DIA.) FileName, FileMode.OpenOrCreate, Fi
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