We are having issues when converting a simple Word document to PDF. The Word document contains some digital signatures.
These Word files are not created by us — they come from another system, so we have no control over how they are generated.
Conversion code:
- Code: Select all
using (var doc = new Document(request.FileStream, Spire.Doc.FileFormat.Auto))
{
doc.SaveToStream(response.Stream, Spire.Doc.FileFormat.PDF);
response.Stream.Position = 0;
return response;
}
Error we get:
System.FormatException: String '2025-11-18T10:36:30.4Z' was not recognized as a valid DateTime.
at spr该.䘙(spr媕 A_0, DigitalSignature A_1)
at spr该.䘥(spr媕 A_0, DigitalSignature A_1)
at spr该.䘓(Stream A_0, spr䙀 A_1, spr诇 A_2)
at spr该.䘓(Stream A_0, spr䙀 A_1, spr诇 A_2, DigitalSignatureCollection A_3)
at spr锕.䘖()
at spr锕.䘓(Stream A_0, Document A_1, spr輕 A_2)
at Spire.Doc.Document.䙘(Stream A_0)
at Spire.Doc.Document.LoadFromStream(Stream stream, FileFormat fileFormat, String password)