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我想下載PDF到一個內存流,我將附加到一個MailMessage。這是我的代碼:WebClient.DownloadData()返回0字節
string pdfUrl = "http://dev.domain.com/pdf+files/sample.pdf";
WebClient client = null;
MemoryStream stream;
try
{
client = new WebClient();
stream = new MemoryStream(client.DownloadData(pdfUrl));
attachments.Add(new Attachment(stream, "Sample.pdf");
}
finally
{
client.Dispose();
}
字節[]從client.DownloadData(pdfUrl)返回具有0
任何想法的長度?