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Articles

Gnostice Newsletter articles are published every month. It contains technical articles related to Gnostice developer tools and office productivity applications. To subscribe to the newsletter, send a blank e-mail to info@gnostice.com with the "SUBSCRIBE" in the subject line.

April 2019
How To Digitally Sign A PDF Document Using a certificate in the Windows Certificate Store In C#.NET

Using PDFOne .NET

March 2019
What’s new in Gnostice Document Studio .NET v19.1 and v19.2

Learn more about the major new features available in v19.1 and to be released in the v19.2 release of Gnostice Document Studio .NET.

July 2017
How to draw watermarks on viewed pages in Document Studio .NET's ASP.NET Document Viewer

Add watermark to the document pages during view and print operation.

May 2017
Interact with PDF files using Annotations with Document Studio .NET's ASP.NET Document Viewer

Learn how to interact with PDF files using annotations in ASP.NET Document Viewer control.

February 2017
Craft Rich Document Enabled HTML5 Apps Using Document Studio .NET

View, Convert and Print documents in your .NET apps across Web, Windows and Mobile platform

October 2016
Document Studio .NET - Document Converter

Learn to use Document Studio .NET’s Document Converter.

August 2016
Interactive form-filling using Document Studio .NET's ASP.NET Document Viewer

Learn how to enable form filling in the ASP.NET Document Viewer control.

May 2016
Display server-side documents in ASP.NET Document Viewer control

Learn how to display server-side documents in ASP.NET Document Viewer control

May 2016
The New ASP.NET Document Viewer control for displaying DOCX, DOC, PDF and images (BMP, JPEG, PNG, TIFF)

Learn to use the new ASP.NET Document Viewer control in Document Studio .NET.

May 2016
The New ASP.NET Viewer control for viewing DOCX, DOC, PDF and images (BMP, JPEG, PNG, TIFF) in ASP.NET MVC Application

Learn to use the new ASP.NET Document Viewer control in Document Studio .NET.

May 2016
Working with the new ASP.NET Document Viewer control in TypeScript projects

Learn how to use the ASP.NET Document Viewer in TypeScript projects

May 2016
Search text on images with Document Studio .NET's HTML5 Document Viewer

Learn to enable text search capability on images using OCR

May 2016
How to enable logging on the ASP.NET Document Viewer control

Learn how to enable logger.

May 2016
Print without preview using Document Studio .NET's ASP.NET Document Viewer control

Learn to display server-side documents and print without preview.

March 2016
An ASP.NET handler to create a personalized PDF form that will mail itself to an e-mail address

Using PDFOne .NET

December 2015
Display PDF without saving file to disk in WinForms and ASP.NET

Load from byte array or stream and discard after use.

December 2015
Convert DOCX, DOC, PDF and images to HTML in .NET

Learn to convert your documents to web pages in C# without using Office Automation or unmanaged code.

December 2015
Render PDF text with subscript and superscript in .NET

Learn to use the new PDFTextFormatter.TextRise method in PDFOne .NET.

November 2015
Text search and color inversion features of Document Studio .NET ASP.NET viewer

Video demos of the new features.

July 2015
PDF Ink Annotations - What are they? What can you do with them?

Look, ma, no hands!

June 2015
How to convert scanned images to searchable PDF using OCR in .NET

Learn to use the new digitization feature of Document Studio .NET.

June 2015
Gnostice Free PDFnOffice Viewer for Visual Studio

A free Visual Studio extension for viewing DOCX, DOC and PDF files from within the IDE.

June 2015
An Acrobat Javascript primer with simple PDF examples

Learn how to use JavaScript in your PDF documents and forms.

May 2015
How to e-mail mail-merged DOCX, DOC, PDF and images using Document Studio .NET

Learn to use the new "EMailAction" action class.

May 2015
How to create a PDF portfolio in .NET

Learn to create PDF portfolios using Document Studio .NET.

April 2015
Free .NET WinForms viewer control for displaying DOCX, DOC, PDF and image formats

Learn about the new Document Studio .NET edition that is totally free!

April 2015
Print select pages of DOCX, DOC or PDF file to a specific printer tray in C#

Learn to do this with DocumentViewer and DocumentPrinter controls of Document Studio .NET.

March 2015
Print without preview using Document Studio .NET's ASP.NET document-viewer control - Version 2016 R2 or below

Learn to display server-side documents and print without preview.

March 2015
Print different PDF pages to different paper trays in .NET

Learn to do this using PDFOn .NET.

February 2015
Can I create and edit PDFs without using a third-party PDF library?

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."

February 2015
How to flatten PDF form fields or AcroForms using PDFOne .NET

Learn to make AcroForms non-interactive using C# or VB.

January 2015
Create DOCX, DOC, PDF and images using mail-merge in .NET

Learn to use the latest mail-merge functionality in Document Studio .NET.

December 2014
Print PDF, DOC, DOCX and images with Document Studio .NET's multi-format document printer control

Learn to create a simple multi-format document-printing application in C#.

December 2014
How to save and retrieve PDF documents to and from a database using C#

Learn to create a database-based PDF document viewer with PDFOne .NET

November 2014
A WPF viewer control to display DOCX, DOC, PDF documents and image formats

Learn to use Document Studio .NET's WPF document viewer control.

November 2014
Display PDF documents in ASP.NET MVC Web applications with Gnostice PDFOne's new PDF Viewer extension

Getting started with the new AJAX-enabled MVC PDF Viewer extension.

December 2013
Getting Started With PDFOne .NET's New PDF Web Viewer Control for ASP.NET Web Forms

Display PDF documents in ASP.NET WebForms applications.

April 2013
Converting From DOCX To PDF Using Document Studio .NET

No software printer. No ActiveX. No Office Automation… No headaches! Just a few lines of C# to convert DOCX to PDF.

April 2013
Defining Custom Appearances for PDF Annotations In .NET

Learn to replace the default appearances of PDF annotations using C# and PDFOne .NET.

November 2012
Getting Started with Document Studio .NET's WinForms Viewer Control

Display and print DOC, DOCX, XLS, XLSX, ODS, PDF, BMP, PNG, JPG, WMF, EMF and (single-frame and multi-frame) TIFF files using C#.

June 2012
How To Create PDFs In An ASP.NET MVC Application

Using PDFOne .NET in an MVC3 web application.

June 2012
How To Digitally Sign PDF Documents In .NET

Using PDFOne .NET and C#.

June 2012
Save Form Submit Data Back To Original PDF Document In .NET

Create “personalized” copies of PDF forms documents using C# and PDFOne .NET in an ASP.NET handler.

May 2012
How To Create And Edit PDF Annotations In .NET

Learn to enhance your documents with comments, notes, attachments, etc.

March 2012
Introduction To PDFOne .NET

A 100% .NET library for all your PDF-related requirements.

February 2012
PDF Text Redaction Using PDFOne .NET

Removing unwanted text from a document.

February 2012
PDF Text Search and Extraction Using PDFOne .NET

Learn to search and extract text from PDF documents.

January 2012
Parsing PDF Page Elements Using PDFOne .NET v4

Learn to access PDF page elements such as text, images, shapes, and Form XObjects.

May 2011
How To Split PDF Documents Using PDFOne .NET

Learn how to split and reorganize PDF documents using PDFOne .NET and C#.

April 2011
Convert PDF To Multipage TIFF Images Using PDFOne .NET

Learn to export each page in a PDF document as a frame in a multi-page TIFF image using C# and PDFOne .NET.

March 2011
Convert A Multipage TIFF To PDF Using PDFOne .NET

Render each frame of the TIFF image on a PDF page.

December 2010
How To Merge PDF Documents In .NET

Learn to use PDFOne .NET to merge PDF documents.

August 2010
How To Convert PDF To Image Formats In .NET

Learn to export PDF pages as raster images.

July 2010
Adding Page Breaks To A PDF Document In .NET

Learn to use the new AddPageBreak method introduced in v3.0.4.

May 2010
Generate PDF Documents In ASP.NET

Learn to generate PDF documents in a Web application.

March 2010
How To Convert PDF to EMF In .NET

Learn to convert PDF pages to metafiles.

March 2010
A PDF Printer Demo For PDFOne .NET

Learn how to print a PDF document in .NET.

February 2010
A Render-On-Graphics Demo For PDFOne .NET

Learn how to render PDF pages on a Graphics object.

January 2010
Creating User-Friendly Barcode PDF Form Fields In .NET

Create PDF forms that accept data entry using regular fonts but subsequently display data using barcode fonts.

November 2009
How To Rasterize A PDF Document In .NET

Learn to convert text, shapes, and images in a PDF page as a single graphic item using PDFOne .NET.

November 2009
Generate PDF Forms In ASP.NET Using PDFOne .NET v3

Learn how to generate PDF forms in Web applications using PDFOne .NET.

August 2009
How To Offset Hard Margins Of A Printer When Printing A PDF

Learn about the new OffsetHardMargins property introduced in Version 2.1.2 of PDFOne .NET.

June 2009
How To Queue PDFPrinter Print Jobs In PDFOne .NET

Learn to print PDF documents asynchronously.

June 2009
Drag-And-Drop Support In PDFOne .NET Viewer Control

Allow users to drag and drop PDF files on the PDFViewer component.

May 2009
How To Create A PDF Viewer in PDFOne .NET v2.x

Create a PDF viewer application in 5 minutes flat.

April 2009
Create an Auto-Print PDF

Learn to create a PDF that will display the print dialog when the document is opened.

November 2008
PDF Overlay - Stitching PDF Pages Together in .NET

“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?”

September 2008
Deploying PDFOne .NET Applications Right (Part 1)

“We have purchased a license... I moved the application to a network folder and started receiving this error message... trial license expired."

August 2008
How to Embed a File in a PDF Document as an Attachment

Learn to do it in .NET using PDFOne .NET.

July 2008
Auto-Pagination in PDFOne .NET

Learn how auto-pagination works in PDFOne .NET

May 2008
How To Generate PDF Forms In ASP.NET

PDFOne .NET sure generates PDF forms documents but how do you send them to a browser?

April 2008
Key To PDFOne .NET Deployment (No Pun Intended)

Learn to deploy your PDFOne .NET applications without compromising your license key.

April 2008
Embed and Replace Fonts In PDF Documents

PDFOne .NET now supports embedding fonts both in creation mode as well as reading mode.

February 2008
How to Create and Fill PDF Forms in .NET

Learn how to create, edit, fill, and save PDF form fields using PDFOne .NET.

January 2008
How To Create a .NET PDF Viewer In 5 Minutes

Easy steps towards creating a PDF viewer application in Visual Studio 2005.

December 2007
Adding Headers and Footers to PDF Documents in .NET

Learn how to use PDFOne .NET to add headers and footers to new and existing PDF documents.

November 2007
Reading and Writing PDF Document Information Properties In .NET

Learn how to read and edit document information properties of a PDF file using PDFOne .NET.

October 2007
How to Convert a PDF Document to an Older or Newer Version

To facilitate backward and forward compatibility, PDFOne .NET allows you to convert existing PDF documents to another PDF version.

September 2007
Encrypting and Decrypting PDF Documents Using PDFOne .NET

Learn about securing and restricting the use of a PDF document. Get the C# code for password-protecting a PDF

August 2007
PDF File Size Optimization With PDFOne .NET (Part 2)

Learn how to optimize PDF file size by specifying CCITT3 compression for monochrome images.

July 2007
PDF File Size Optimization With PDFOne .NET (Part 1)

Multiple images in a PDF document can greatly increase file size. See an example of how PDFOne .NET implements intelligent PDF file optimization.

June 2007
Create PDF Forms With Fill-One, Update-Many Form Fields

“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?”

May 2007
Use Visual Studio To Create and Design PDF Forms (AcroForms) Documents

A novel way of designing PDF documents with Visual Studio, using Windows forms as document pages and Windows controls as PDF form fields.

April 2007
Create, Edit, Delete and Enhance PDF Bookmarks in .NET

This is an introduction to a function-specific edition of Gnostice PDFOne .NET devoted solely for the management of bookmarks in PDF documents.

March 2007
How To Set Transparency Levels For PDF Elements

Render text, shapes, and images in PDF with varying levels of transparency.

December 2006
How To Write Data From XML to PDF Files

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.

September 2006
Save Captured Form Field Data Back To AcroForms PDF Files... Online

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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