Sign documents with exception handling Leave feedback
GroupDocs.Signature provides different error messages due to validation issues, missing required data, files etc. For exception class GroupDocsSignatureException is being used.
Here are the steps to handle exceptions from GroupDocs.Signature:
- Compose try-catch block above Sign method with catching GroupDocsSignatureException type error.
This example shows how to handle GroupDocs.Signature exceptions.
try
{
using (Signature signature = new Signature("sample.xlsx"))
{
DigitalSignOptions options = new DigitalSignOptions()
{
CertificateFilePath = Constants.CertificatePfx,
ImageFilePath = Constants.ImageHandwrite,
// skip password specification
//Password = "123456780"
};
// sign document to file
signature.Sign("signed.xlsx", options);
}
}
catch (GroupDocsSignatureException ex)
{
Console.WriteLine("GroupDocs Signature Exception: " + ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("System Exception: " + ex.Message);
}
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Signature for .NET examples, plugins, and showcase
- GroupDocs.Signature for Java examples, plugins, and showcase
- Document Signature for .NET MVC UI Example
- Document Signature for .NET App WebForms UI Example
- Document Signature for Java App Dropwizard UI Example
- Document Signature for Java Spring UI Example
Along with the full-featured .NET library, we provide simple but powerful free online apps.
To sign PDF, Word, Excel, PowerPoint, and other documents you can use the online apps from the GroupDocs.Signature App Product Family.
Was this page helpful?
Any additional feedback you'd like to share with us?
Please tell us how we can improve this page.
Thank you for your feedback!
We value your opinion. Your feedback will help us improve our documentation.
