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Spreadsheet Document Signature

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Sign and Download


This demo illustrates how to use the Office File API to add a digital signature to an XLSX document.

Specify signing information on the Options pane and click Sign and Download to save the signed document.

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Local Copy of this Demo
To inspect the source code for this demo on your machine, you must first install our components via the DevExpress Component Installer.
You can open a local copy of this online demo directly from this webpage (if using v20.2.8, 21.1.4 or higher).
Open CS Solution
The source code files for this demo are installed (by default) in the following directory:
\Users\Public\Documents\DevExpress Demos XX.X\Components\ASP.NET\CS\

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