itextsharp报错PdfReader not opened with owner password时间:2023-03-09 15:01:30 itextSharp读取Pdf时报错:PdfReader not opened with owner password 报错原因:pdf文件被用户加密了。 解决办法:在创建pdfReader实例后,加一行代码: PdfReader.unethicalreading = true;