下面的代码用于从 azure blob 下载文件。我对 .docx、.xlsx 文件有问题，而且仅在部署后也有问题，这意味着在本地机器上它工作正常。
问题是在下载 .xlsx 或 .docx 后，当我打开该文件时显示文件损坏的弹出窗口。
public void DownloadBlob(string blobName)
{
//You have to get values for below items from azure
string accountName = "MyAccName";
string accountPrimaryKey = "MyKey";
string blobContainer = "ContainerName";
CloudStorageAccount account = new CloudStorageAccount(new StorageCredentialsAccountAndKey(accountName, accountPrimaryKey), false);
CloudBlobClient blobClient = account.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference(blobContainer);
CloudBlob blob = container.GetBlobReference(blobName);
MemoryStream memStream = new MemoryStream();
blob.DownloadToStream(memStream);
Response.ContentType = blob.Properties.ContentType;
Response.AddHeader("Content-Disposition", "Attachment; filename=" + blobName.ToString());
Response.AddHeader("Content-Length", (blob.Properties.Length - 1).ToString());
Response.BinaryWrite(memStream.ToArray());
Response.End();
}