Sign XLS File with Digital Signatures in .NET
Digitally sign and verify signatures in a XLS 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 XLS Files in C#
Conholdate.Total for .NET supports signing XLS 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 XLS file format?
The XLS file format is a file format used by Microsoft Excel, an application for spreadsheet and graphing. It is an updated version of the XLS file format that was introduced in Excel 97. The XLS file format is a spreadsheet format and can be used to store data in cells arranged in a tabular format. It can be used to create charts and graphs, along with other features such as formulas, variables and macros.
XLS files can be protected with passwords and encryption, allowing users to protect sensitive data. They also support multiple sheets, so they can contain large amounts of data. XLS files can be opened and read by a wide variety of software, including Microsoft Excel and other spreadsheet applications.
XLS files are compatible with a variety of operating systems and devices, making them a popular choice for storing, sharing and transferring data. They are usually used for data analysis, report-building, simulations and other business operations.
XLS files are also used for statistical analysis. They are used to visually display data in the form of charts, graphs and tables. They can also be used to store and analyze large amounts of data.
Overall, the XLS file format is an important file format used for storing and sharing data. It is used for data storage, analysis and report-building. It is compatible with a variety of different operating systems and devices, making it a popular choice for businesses.
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)
