C# 无法使用 itextsharp 更新文本

Question

根据我之前的 post 我能够以交互方式保存 PDF。之后我开始编写以下代码来修改内容并将其保存为 PDF，如下所示但是当我尝试打开文件时它说 There was an error opening in the document. The file is damaged and could not be repaired

这是我的代码

PdfReader reader = new PdfReader(@"E:\Test.pdf");
using (MemoryStream memoryStream = new MemoryStream())
{
    PdfStamper pdfStamper = new PdfStamper(reader, memoryStream, '[=10=]', true);
    pdfStamper.FormFlattening = true;
    AcroFields af = reader.AcroFields;
    string[] fields = pdfStamper.AcroFields.Fields.Select(x => x.Key).ToArray();
    for (int key = 0; key <= fields.Count() - 1; key++)
    {
      pdfStamper.AcroFields.SetField(fields[key], txtApplicantName.Text);
    }
    Byte[] bytes= memoryStream.ToArray();
    File.WriteAllBytes(@"E:\Test1.pdf", bytes);
}

谁能告诉我哪里做错了

Answer 1

您忘记关闭 PdfStamper。

pdfStamper.Close(); // <===
Byte[] bytes= memoryStream.ToArray();
File.WriteAllBytes(@"E:\Test1.pdf", bytes);

C# 无法使用 itextsharp 更新文本

C# Unable to update the text using itext sharp

itext

winforms

c#-4.0