C# 使用c在Windows Azure上通过电子邮件发送附件#

我正在尝试从AZURE发送电子邮件。我成功发送了无附件电子邮件。当我发送带有附件的电子邮件时，我在下载附件时会遇到以下问题

• 当我打开该附件时，它有0个字节。我在里面找不到任何内容。当我从azure门户下载时，我可以完美地看到内容

对于附件，我上传blob上的PDF文件并下载，然后添加附件。我的代码如下

var account = new CloudStorageAccount(new StorageCredentials("accountName", "keyvalue"), true);
CloudBlobClient blobClient = account.CreateCloudBlobClient();
CloudBlobContainer container =blobClient.GetContainerReference("containername");
CloudBlockBlob blobread = container.GetBlockBlobReference(Session["UploadPDFFile"].ToString());
MemoryStream msRead = new MemoryStream();                                
using (msRead)
{
  msRead.Position = 0;
  blobread.DownloadToStream(msRead);

  objMailMessgae.Attachments.Add(new System.Net.Mail.Attachment(msRead,    Session["UploadPDFFile"].ToString(), "pdf/application"));

   try
   {
     objSmtpClient.Send(objMailMessgae);
   }
   catch (Exception ex) {
            string s = ex.Message;
        }
    }

---

在将blob的内容读入内存流后，需要将内存流的位置重置为

0

。因此，基本上您的代码是：

var account = new CloudStorageAccount(new StorageCredentials("accountName", "keyvalue"), true);
CloudBlobClient blobClient = account.CreateCloudBlobClient();
CloudBlobContainer container =blobClient.GetContainerReference("containername");
CloudBlockBlob blobread = container.GetBlockBlobReference(Session["UploadPDFFile"].ToString());
MemoryStream msRead = new MemoryStream();                                
using (msRead)
{
  blobread.DownloadToStream(msRead);
  msRead.Position = 0;

  objMailMessgae.Attachments.Add(new System.Net.Mail.Attachment(msRead,    Session["UploadPDFFile"].ToString(), "pdf/application"));

   try
   {
     objSmtpClient.Send(objMailMessgae);
   }
   catch (Exception ex) {
            string s = ex.Message;
        }
    }

试试看。它应该会起作用