Discover new GroupDocs.Signature for .NET API features

GroupDocs.Signature for .NET API provides wide range of ways to process numerous documents formats by using electronic signatures. Many types of digital signatures as texts, images, digital certificates, barcodes, QR-codes, stamps or metadata are supported. Customers can add, remove, edit, validate or search digital signatures at PDFs, MS Word documents, MS Excel workbooks, MS PowerPoint presentations, Adobe Photoshop files and various image formats. Astonishing number of additional features and settings are available.

How to validate Text signatures in your Csv document

GroupDocs.Signature for .NET includes useful features like verification of Text signatures placed at Csv documents. Use this opportunity without implementing extra code.

Firstly, instantiate Signature class providing as a constructor parameter path to a document which is supposed to be verified.
Secondly, create a new VerifyOptions object and set up all required properties.
Finally, invoke Signature’s object Verify method passing VerifyOptions instance.
Then process verification results.

System Requirements

GroupDocs.Signature for .NET are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating systems: Microsoft Windows, Linux, MacOS
Development environments: Microsoft Visual Studio, Xamarin, MonoDevelop
Frameworks: .NET Framework, .NET Standard, .NET Core, Mono
Download the latest version of GroupDocs.Signature for .NET from Nuget

        
// Set up input Csv file
string filePath = "input.csv";

// Instantiate Signature for input file
using (GroupDocs.Signature.Signature signature = new GroupDocs.Signature.Signature(filePath))
{
        //Provide verification options
        TextVerifyOptions options = new TextVerifyOptions()
        {
            // Process all pages 
            AllPages = true,
            // set up text match type
            MatchType = TextMatchType.Exact,
            // specify text pattern to search
            Text = "Very important signature",
        };

        // Verify document signatures
        VerificationResult result = signature.Verify(options);

        //process result
        if (result.IsValid)
        {
            //..
        }
}