|Developer Tools||Office Productivity Applications
Gnostice PDFOne .NET is a versatile PDF component suite for .NET developers to implement PDF-related tasks in their applications. PDFOne .NET can create, edit, view, print, search, redact, encrypt, decrypt, digitally sign, merge, split, reorganize, bookmark, annotate, watermark, and stamp PDF documents. PDFOne .NET can also create, edit, delete, fill and flatten PDF form fields. It also has an AJAX-powered Web-Forms PDF viewer component that can display and print PDF documents on any modern browser. PDFOne .NET is based entirely on managed code.
PDFOne .NET does all of this without any external PDF software such as Adobe PDF library, Adobe Acrobat Professional or Ghostscript. PDFOne .NET can be used with C#, VB.NET, ASP.NET and other .NET development platforms.
PDFOne components come with hundreds of functions and properties that put immense power in the hands of the developer. They hide the complexity of the PDF format and allows developers to quickly implement PDF-related features.
For complete peace of mind and unmatched value for money, buy our "all-.NET-products-included" Gnostice DevSystem .NET Subscription. You get 12 months free major and minor updates and priority e-mail support.
You can download any of the files listed in the box below free of charge. Please provide your name and e-mail address so that we can send you information related only to your download. You will not be contacted for any other purpose. We will not give your e-mail address to anyone else in any situation.
* - The PDF viewer components for ASP.NET are supported only in Visual Studio 2010/2012/2013/2015.
Gnostice PDFOne .NET supports the following features. (For system requirements, click here.)
Please ensure that your systems meets these requirements.
* - The PDF viewer components for ASP.NET are supported only in Visual Studio 2010/2012/2013/2015.
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The following discounts are applicable for bulk purchases of Developer Licenses.
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* - Effective from August 21, 2015.
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For an informed purchase, please consult our License Agreements and our Licensing/Purchasing Guide.
WriteText()methods fail to specify appropriate encoding for some Unicode text.
AccessViolationExceptionthrown while creating object of
PDFImagein an ASP.NET application.
IndexOutOfBoundsExceptionencountered when redacting text - caused by artifacts in content stream.
InvalidCastExceptionencountered sometimes when image dictionary attributes are referred using "IndirectReference" objects.
PDFFont.SizeInPointsproperty is no longer read-only and can be set by user code to change the font size of a
PDFFormFieldActionType.Noneenum member and made it default action for
PDFDocumentcomponent locks file when loading documents.
PDFTable.AddCell()overload with a PDFCell parameter.
add_PageChangedevent to get notified when current page changes.
PDFDocument.AddPage()method has been optimized.
PDFDocument.RenderOnGraphicswith parameter to specify pixel density.
PDFFont.UserFontsFolderto specify folder containing fonts (medium-trust deployments)
PDFFont.FontNotFoundevent to handle situations where a specified font cannot be found in the user fonts folder
PDFFont(string fontFamily, float size)
PDFFont(string fontfamily, FontStyle style, float size)
PDFFont(string fontfamily, FontStyle style, float size, bool ANSICharecters)
PDFDocument.FlattenFormField(PDFFormField,PDFAppearance)for document with multi-line text form fields.
PDFPage.Clone()fails to clone header and footer.
EmailAfterSaveoption is now supported even for documents that are saved to a stream
PDFFormTextFieldclasses for specifying form field attributes
PDFDocument.ImportFDFmethod that imports FDF data from a stream
PDFFont.FontFilePathproperty to specify the path of the FontList.xml programatically - alternative to the app.config file entry
PDFPage.AddTabledoes not update
PDFPage.CursorPosYposition - causing WriteText method to overlap text
PDFDocument.CurrentPageNois not updated when
PDFDocument.AddTableis set paginate automatically
PDFDocument.AddTablewraps text and the table's
AutoAdjustRowHeightproperty is set to true
PDFDocument.WriteWatermarkTextmethod when using Type1 fonts
Gnostice.PDFOne.PDFBaseFonttype - happens with PDF forms documents
HScrollValue, VScrollValue, HScrollSmallChange, VScrollSmallChange, HScrollLargeChangeand
Stitchmethod that copies page content from a rectangular area and then overlays it on another page
PDFPagemethods such as
WriteText, WriteWatermarkText, AddHeaderTexand
InvalidCastExceptionraised when converting existing PDF document to another PDF version
DrawImagemethod renders image at wrong location
InvalidCastExceptionraised by WriteText() sometimes
<%pageNo%>placeholder rendered with wrong values on an existing document
GetAllFormFiledsmethod raising class cast exception for text form fields that contain a null value for its normal appearance
Contentsproperty of a free text annotation
AutoRotateproperty of printer component is set to true.
VScrollBarin PDF viewer component for controlling the visibility of the scrollbars.
RenderingOptionsproperty in PDF viewer and printer components to toggle the smoothness of lines, images and text, and to refresh the viewer when one of these settings are changed.
PDFDocument.WriteText(String,Single,Single)does not maintain original x-coordinate when beginning the new line on a new page (generated by autopagination).
PDFDocument.NeedAppearancesis set to
Rectangleproperty of annotations in a rotated page.
PDFFormComboBoxalways returned a value of 1.
AutoRotateproperty to intelligently rotate each page to suit the printer orientation and current page size.
AutoCenterproperty to automatically center the page on the printed paper.
GetAllBaseFontNames()method to retrieve all font names used in PDF.
ArgumentNullExceptionduring saving encrypted document to byte array.
ExtractPagesTomethod increasing PDF file size due to invalid page references.
NullReferenceExceptionissue with Type1 fonts during merging.
GetAllFormFieldsoverloads regarding saving the modified Formfields.
SetWidth, SetHeightfor rotated pages.
For older releases of PDFOne .NET, please click.
The license agreements governing the use of this product are given below. For additional understanding of the agreements, please refer to our licensing and purchasing guide.
A PDFOne .NET developer subscription comes with free priority e-mail support for 12 months. Please send your queries to support at gnostice.com. Please ensure that your mail system does not block e-mail from our domain gnostice.com. (Our support system will send you an autoresponder within a few minutes of your e-mail.) You can also use our online feedback form to send us support queries.
A PDFOne .NET developer subscription comes with free updates (major and minor) for 12 months. Our news page provides information on the latest updates to our products. You can also subscribe to our news RSS feed to get notified of the latest updates.
The PDFOne .NET documentation is available online at:
The installer application will also create a local copy in your computer when you run it.
We have also published technical articles related to PDFOne and other Gnostice developer tools, as part of Gnostice Newsletter. To subscribe to the newsletter, send a blank e-mail to email@example.com with the subject set to "SUBSCRIBE". You can also get notified of the latest articles via our newsletter RSS feed.
Using PDFOne .NET
Load from byte array or stream and discard after use.
Learn to use the new PDFTextFormatter.TextRise method in PDFOne .NET.
Look, ma, no hands!
Learn to do this using PDFOn .NET.
Matthew 19:24 "Again I tell you, it is easier for a camel to go through the eye of a needle than for someone who is rich to enter the kingdom of God."
Learn to make AcroForms non-interactive using C# or VB.
Learn to create a database-based PDF document viewer with PDFOne .NET
Getting started with the new AJAX-enabled MVC PDF Viewer extension.
Display PDF documents in ASP.NET WebForms applications.
Learn to replace the default appearances of PDF annotations using C# and PDFOne .NET.
Using PDFOne .NET in an MVC3 web application.
Using PDFOne .NET and C#.
Create “personalized” copies of PDF forms documents using C# and PDFOne .NET in an ASP.NET handler.
Learn to enhance your documents with comments, notes, attachments, etc.
A 100% .NET library for all your PDF-related requirements.
Removing unwanted text from a document.
Learn to search and extract text from PDF documents.
Learn to access PDF page elements such as text, images, shapes, and Form XObjects.
Learn how to split and reorganize PDF documents using PDFOne .NET and C#.
Learn to export each page in a PDF document as a frame in a multi-page TIFF image using C# and PDFOne .NET.
Render each frame of the TIFF image on a PDF page.
Learn to use PDFOne .NET to merge PDF documents.
Learn to export PDF pages as raster images.
Learn to use the new AddPageBreak method introduced in v3.0.4.
Learn to generate PDF documents in a Web application.
Learn to convert PDF pages to metafiles.
Learn how to print a PDF document in .NET.
Learn how to render PDF pages on a Graphics object.
Create PDF forms that accept data entry using regular fonts but subsequently display data using barcode fonts.
Learn to convert text, shapes, and images in a PDF page as a single graphic item using PDFOne .NET.
Learn how to generate PDF forms in Web applications using PDFOne .NET.
Learn about the new OffsetHardMargins property introduced in Version 2.1.2 of PDFOne .NET.
Learn to print PDF documents asynchronously.
Allow users to drag and drop PDF files on the PDFViewer component.
Create a PDF viewer application in 5 minutes flat.
Learn to create a PDF that will display the print dialog when the document is opened.
“I have two pdf documents - one contains my company's letterhead template and the other has letters addressed to our customers. I would like to know how I can use the letterhead in each of those letters?”
“We have purchased a license... I moved the application to a network folder and started receiving this error message... trial license expired."
Learn to do it in .NET using PDFOne .NET.
Learn how auto-pagination works in PDFOne .NET
PDFOne .NET sure generates PDF forms documents but how do you send them to a browser?
Learn to deploy your PDFOne .NET applications without compromising your license key.
PDFOne .NET now supports embedding fonts both in creation mode as well as reading mode.
Learn how to create, edit, fill, and save PDF form fields using PDFOne .NET.
Easy steps towards creating a PDF viewer application in Visual Studio 2005.
Learn how to use PDFOne .NET to add headers and footers to new and existing PDF documents.
Learn how to read and edit document information properties of a PDF file using PDFOne .NET.
To facilitate backward and forward compatibility, PDFOne .NET allows you to convert existing PDF documents to another PDF version.
Learn about securing and restricting the use of a PDF document. Get the C# code for password-protecting a PDF
Learn how to optimize PDF file size by specifying CCITT3 compression for monochrome images.
Multiple images in a PDF document can greatly increase file size. See an example of how PDFOne .NET implements intelligent PDF file optimization.
“Is there a way to add a form field to all pages in a PDF document so that updating the field in any one page automatically gets reflected in all other pages?”
A novel way of designing PDF documents with Visual Studio, using Windows forms as document pages and Windows controls as PDF form fields.
This is an introduction to a function-specific edition of Gnostice PDFOne .NET devoted solely for the management of bookmarks in PDF documents.
Render text, shapes, and images in PDF with varying levels of transparency.
PDFOne .NET offers a very simple method to read XML data and render it in PDF files. Using it, you can convert XML data to PDF easily.
Capturing PDF form field data over the Web and storing it in a database is a tame affair. How about creating new PDF files containing the original form fields but with the captured information as the new default values?
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