I downloaded GroupDocs.Viewer-for-.NET-master from the github website and ran the Demo inside GroupDocs.Viewer-for-.NET-master\Demos\ASP.NET MVC\src. When previewing dwg, execute the LoadDocumentDescription method
var d…...Viewer-for-.NET Can't preview dwg file Aspose.CAD Product...7:04am 1 I downloaded GroupDocs.Viewer-for-.NET-master from the github...