Sign XLTX File with Digital Signatures in .NET
Digitally sign and verify signatures in a XLTX file and various other document formats within C#, ASP.NET, VB.NET & Xamarin applications. Implement Barcode, Text, Image, Metadata, QR Code, Form Field and stamp signatures in multiple forms by setting up customized text, font style, colors and adjusting advanced e-signatures properties in the document.
DownloadHow to Digitally Sign XLTX Files in C#
Conholdate.Total for .NET supports signing XLTX documents with digital signatures using a few lines of C# .NET code.
- Instantiate Signature with input document
- Instantiate DigitalSignOptions object with certificate details
- Call Sign method of Signature class and pass DigitalSignOptions to it
- Set options to view signed document as HTML
APIs Download & Installation Instructions
The following piece of code requires GroupDocs.Signature & GroupDocs.Viewer namespaces. You can get the respective files from the downloads or fetch the whole package from NuGet.
Sign your digtial documents with Barcode, Text, Image, Metadata, QR Code, Form Field and stamp signatures on operating systems such as Windows, Linux or macOS while using platforms such as Windows Azure, Mono and Xamarin.
Search Barcode Signatures in PDF File in C#
Search a wide variety of e-signature types from a digitally signed PDF document by setting up advanced signatures manipulation options and search filters to get a list of electronic signatures that match with the search criterion.
- Instantiate Signature with input document
- Instantiate DigitalSearchOptions object as per requirements and specified search options
- Call Search method of Signature class instance and pass DigitalSearchOptions to it
Sign, Verify, Update & Delete Signatures
Using Conholdate.com APIs – developers can implement different signatures customization options to add and view e-signatures from a wide range of popular document file formats.
Users can also search and verify some specific signatures from an already signed digital document; manipulate signatures based on size or textual content and delete any signatures from the same document.
What is XLTX file format?
The Xltx file format is a Microsoft Excel spreadsheet file format which is used to store and exchange data. It is a binary file format that is written in the Microsoft Office Open XML format and is a part of the Office Open XML (OOXML). It is a file format that is a part of the ISO/IEC standard 29500. Xltx is essentially an Excel workbook that is saved in the Open XML format for maximum compatibility and stability. This format makes it easier for users to open, view and share their spreadsheets with others. The Xltx format provides the same functionality and features found in the standard .xlsx format, but with some advantages. The advantages of using the Xltx format include improved security, faster load times, smaller file sizes, and improved compatibility with other programs. Xltx files are also more reliable when transferring data between different versions of Excel. Additionally, Xltx files are less vulnerable to viruses and corruptions. Overall, the Xltx file format is a great choice for users who need to store and exchange data in Excel spreadsheets. It offers all of the same features found in the standard .xlsx format, with some added security and compatibility benefits.
LearnPopular Document Signature Options with .NET
(Portable Document Format)
(Word Processing Files)
(Spreadsheet Files)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Microsoft Excel Spreadsheet (Legacy))
(Excel Binary Workbook)
(Macro-enabled Spreadsheet)
(Open XML Workbook)
(Excel Macro-Enabled Template)
(Excel Template)
(Microsoft PowerPoint 97-2003)
(Open XML presentation Format)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(Corel Metafile Exchange Image)
(Bitmap Image File)
(Joint Photographic Expert Group Image)
(Graphical Interchange Format)
(Portable Network Graphic)
(Raster Web Image Format)
(Tagged Image File Format)
(Windows Metafile)
(Photoshop Document)
(Scalar Vector Graphics)
(OpenDocument Presentation Format)
(OpenDocument Standard Format)
(OpenDocument Spreadsheet)
(OpenDocument Spreadsheet Template)
(OpenDocument Text File Format)
(OpenDocument Standard Format)
(Digital Image Files)
