我试图让我的 web 应用程序通过另存为对话框下载 PDF 文件。但是，在尝试之后，当我使用 chrome/firefox 时，并没有出现任何另存为对话框。但是当我使用 IE 时，我得到了这个错误
会不会是浏览器之间的一些错误？我已将我的 PDF 文件保存/转换为字节。
protected void btnPDF_Click(object sender, EventArgs e)
{
//Byte array that will eventually hold our PDF, currently empty
Byte[] bytes;
//Instead of a FileStream we'll use a MemoryStream
using (var MS = new System.IO.MemoryStream())
{
//Standard PDF setup, iText doesn't care what type of stream we're using
var doc = new iTextSharp.text.Document();
var writer = iTextSharp.text.pdf.PdfWriter.GetInstance(doc, MS);
doc.Open();
PdfPTable table = new PdfPTable(1);
table.TotalWidth = 585f;
table.LockedWidth = true;
var logo = iTextSharp.text.Image.GetInstance(Server.MapPath("~/image/logo.jpg"));
doc.Add(logo);
var titleFont = FontFactory.GetFont("Arial", 18, Font.BOLD);
doc.Add(new Paragraph("Officer's Profile. Officer's Police ID: " + DDLCase.SelectedValue, titleFont));
var normalFont = FontFactory.GetFont(FontFactory.HELVETICA, 14, Font.BOLD);
var phrase = new Phrase();
SqlConnection con = new SqlConnection("Data Source = localhost; Initial Catalog = project; Integrated Security = SSPI");
SqlCommand cm = new SqlCommand("Select lrp.fullname, pp.profilepic, pp.rank, lrp.policeid, lrp.nric, lrp.email, lrp.contact, lrp.address,lrp.location, pp.achievement, pp.medal1, pp.medal2, pp.medal3, pp.medal4, pp.medal5 from LoginRegisterPolice lrp, PoliceProfile pp where lrp.policeid = '" + DDLCase.SelectedValue + "' and pp.policeid = lrp.policeid", con);
con.Open();
SqlDataReader dr;
dr = cm.ExecuteReader();
if (dr.Read())
{
phrase.Add(new Chunk("Full Name :", normalFont));
phrase.Add(dr[0].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Profile Picture :\u00a0", normalFont));
Byte[] bytes1 = (Byte[])dr[1];
iTextSharp.text.Image image1 = iTextSharp.text.Image.GetInstance(bytes1);
image1.ScaleToFit(100f, 250f);
Chunk imageChunk1 = new Chunk(image1, 0, 0);
phrase.Add(imageChunk1);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Rank : ", normalFont));
Byte[] bytes2 = (Byte[])dr[2];
iTextSharp.text.Image image2 = iTextSharp.text.Image.GetInstance(bytes2);
image2.ScaleToFit(40f, 300f);
Chunk imageChunk2 = new Chunk(image2, 0, 0);
phrase.Add(imageChunk2);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Police ID :", normalFont));
phrase.Add(dr[3].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("NRIC :", normalFont));
phrase.Add(dr[4].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Email :", normalFont));
phrase.Add(dr[5].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Contact :", normalFont));
phrase.Add(dr[6].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Address :", normalFont));
phrase.Add(dr[7].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Location :", normalFont));
phrase.Add(dr[8].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Achievement :", normalFont));
phrase.Add(dr[9].ToString());
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(Chunk.NEWLINE);
phrase.Add(new Chunk("Medal1", normalFont));
Byte[] bytes3 = (Byte[])dr[10];
iTextSharp.text.Image image3 = iTextSharp.text.Image.GetInstance(bytes3);
image3.ScaleToFit(800f, 800f);
Chunk imageChunk3 = new Chunk(image3, 0, 0);
phrase.Add(imageChunk3);
phrase.Add(new Chunk("Medal2", normalFont));
Byte[] bytes5 = (Byte[])dr[11];
iTextSharp.text.Image image5 = iTextSharp.text.Image.GetInstance(bytes5);
image5.ScaleToFit(800f, 800f);
Chunk imageChunk5 = new Chunk(image5, 0, 0);
phrase.Add(imageChunk5);
phrase.Add(new Chunk("Medal3", normalFont));
Byte[] bytes6 = (Byte[])dr[12];
iTextSharp.text.Image image6 = iTextSharp.text.Image.GetInstance(bytes6);
image6.ScaleToFit(800f, 800f);
Chunk imageChunk6 = new Chunk(image6, 0, 0);
phrase.Add(imageChunk6);
phrase.Add(new Chunk("Medal4", normalFont));
Byte[] bytes7 = (Byte[])dr[13];
iTextSharp.text.Image image7 = iTextSharp.text.Image.GetInstance(bytes7);
image7.ScaleToFit(800f, 800f);
Chunk imageChunk7 = new Chunk(image7, 0, 0);
phrase.Add(imageChunk7);
phrase.Add(new Chunk("Medal5", normalFont));
Byte[] bytes8 = (Byte[])dr[14];
iTextSharp.text.Image image8 = iTextSharp.text.Image.GetInstance(bytes8);
image8.ScaleToFit(800f, 800f);
Chunk imageChunk8 = new Chunk(image8, 0, 0);
phrase.Add(imageChunk8);
table.AddCell(phrase);
}
dr.Close();
doc.Add(table);
doc.Close();
//Grab the raw bytes from the MemoryStream
bytes = MS.ToArray();
}
//At this point all iText work is done and we're only dealing with raw ASP.Net parts
//Clear the current response buffer
Response.Clear();
//Instead of a normal text/html header tell the browser that we've got a PDF
Response.ContentType = "application/pdf";
//Tell the browser that you want the file downloaded (ideally) and give it a pretty filename
Response.AddHeader("content-disposition", "attachment;filename=MySampleFile.pdf");
//Write our bytes to the stream
Response.BinaryWrite(bytes);
//Close the stream (otherwise ASP.Net might continue to write stuff on our behalf)
Response.End();
}
}
如果有人能告诉我我是否在这里做错了什么，将不胜感激。