#Commands: UploadAsync
UploadAsync is used to insert a new file or update the content of an existing one in a file system.
{CODE upload_1@FileSystem\ClientApi\Commands\Files.cs /}
| Parameters | ||
|---|---|---|
| filename | string | The name of the uploaded file (full path) |
| source | Stream | The file content |
| metadata | RavenJObject | The file metadata (default: null) |
| etag | Etag | The current file etag used for concurrency checks (null skips check) |
| Return Value | |
|---|---|
| Task | A task that represents the asynchronous upload operation |
{CODE upload_3@FileSystem\ClientApi\Commands\Files.cs /}
| Parameters | ||
|---|---|---|
| filename | string | The name of the uploaded file (full path) |
| source | Action<Stream> | The action which writes file content to the network stream |
| prepareStream | Action | The action executed before the content is being written (null means no action to perform) |
| size | long | The file size. It is sent in RavenFS-Size header to validate the number of bytes received on the server side. If there is a mismatch between the size reported in the header and the number of the bytes read on the server side, then BadRequestException is thrown |
| metadata | RavenJObject | The file metadata (default: null) |
| etag | Etag | The current file etag used for concurrency checks (null skips check) |
| Return Value | |
|---|---|
| Task | A task that represents the asynchronous upload operation |
{NOTE CryptoStream and any other non-seekable streams are supported. /}
{CODE upload_2@FileSystem\ClientApi\Commands\Files.cs /}
{CODE upload_4@FileSystem\ClientApi\Commands\Files.cs /}