通过 Windows 窗体 c# 将文件上传到 Blob

Question

我正在处理连接到 Blob 数据库的应用程序，每当我尝试从我的 PC 中选择一个文件并上传它时，都会引发异常。这是代码：

StorageCredentials storageCredentials = new StorageCredentials("filep2pstorage", connectionString);
CloudStorageAccount sotrageAccount = new CloudStorageAccount(storageCredentials, false);
CloudBlobClient _client = sotrageAccount.CreateCloudBlobClient();
CloudBlobContainer container = _client.GetContainerReference("filep2pshare");
container.CreateIfNotExists();

OpenFileDialog dialog = new OpenFileDialog();

dialog.Filter = "Text Files (.txt)|*.txt|All Files (*.*)|*.*";
dialog.FilterIndex = 1;
dialog.Multiselect = true;

string filename = dialog.FileName;                 
string path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

dialog.InitialDirectory = path;
DialogResult result = dialog.ShowDialog();

if (result == DialogResult.OK)
{
    CloudBlockBlob blob = container.GetBlockBlobReference(filename);

    using (var fileStream = File.OpenRead(path + filename))
    {
        blob.UploadFromStream(fileStream);
    }
}

基本上，这里的这行代码：

 CloudBlockBlob blob = container.GetBlockBlobReference(filename);

 using (var fileStream = File.OpenRead(path + filename))
 {
      blob.UploadFromStream(fileStream);
 }

不取文件名。我是断点，文件名只是设置为“”。

Answer 1

您需要在 if 中移动以下代码行。在当前位置获取时没有在对话框中设置。

string filename = dialog.FileName;