WebClient.UploadValuesTaskAsync Method
Definition
Important
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Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. These methods do not block the calling thread.
Overloads
UploadValuesTaskAsync(String, String, NameValueCollection) |
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. |
UploadValuesTaskAsync(String, NameValueCollection) |
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. |
UploadValuesTaskAsync(Uri, NameValueCollection) |
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. |
UploadValuesTaskAsync(Uri, String, NameValueCollection) |
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object. |
UploadValuesTaskAsync(String, String, NameValueCollection)
- Source:
- WebClient.cs
- Source:
- WebClient.cs
- Source:
- WebClient.cs
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object.
public:
System::Threading::Tasks::Task<cli::array <System::Byte> ^> ^ UploadValuesTaskAsync(System::String ^ address, System::String ^ method, System::Collections::Specialized::NameValueCollection ^ data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (string address, string? method, System.Collections.Specialized.NameValueCollection data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (string address, string method, System.Collections.Specialized.NameValueCollection data);
[System.Runtime.InteropServices.ComVisible(false)]
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (string address, string method, System.Collections.Specialized.NameValueCollection data);
member this.UploadValuesTaskAsync : string * string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
[<System.Runtime.InteropServices.ComVisible(false)>]
member this.UploadValuesTaskAsync : string * string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
Public Function UploadValuesTaskAsync (address As String, method As String, data As NameValueCollection) As Task(Of Byte())
Parameters
- address
- String
The URI of the resource to receive the collection.
- method
- String
The HTTP method used to send the collection to the resource. If null, the default is POST for http and STOR for ftp.
- data
- NameValueCollection
The NameValueCollection to send to the resource.
Returns
The task object representing the asynchronous operation. The Result property on the task object returns a Byte array containing the response sent by the server.
- Attributes
Exceptions
The URI formed by combining BaseAddress, and address
is invalid.
-or-
method
cannot be used to send content.
-or-
There was no response from the server hosting the resource.
-or-
An error occurred while opening the stream.
-or-
The Content-type
header is not null
or "application/x-www-form-urlencoded".
Remarks
Caution
WebRequest
, HttpWebRequest
, ServicePoint
, and WebClient
are obsolete, and you shouldn't use them for new development. Use HttpClient instead.
This operation will not block. The returned Task<TResult> object will complete after the name/value collection has been uploaded to the resource. The name/value collection is sent asynchronously using thread resources that are automatically allocated from the thread pool.
In .NET Framework and .NET Core 1.0, you can cancel asynchronous operations that have not completed by calling the CancelAsync method.
If the underlying request is not understood by the server, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error.
If the Content-type header is null
, this method sets it to "application/x-www-form-urlencoded".
If the BaseAddress property is not an empty string ("") and address
does not contain an absolute URI, address
must be a relative URI that is combined with BaseAddress to form the absolute URI of the requested data. If the QueryString property is not an empty string, it is appended to address
.
This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in .NET Framework.
Applies to
UploadValuesTaskAsync(String, NameValueCollection)
- Source:
- WebClient.cs
- Source:
- WebClient.cs
- Source:
- WebClient.cs
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object.
public:
System::Threading::Tasks::Task<cli::array <System::Byte> ^> ^ UploadValuesTaskAsync(System::String ^ address, System::Collections::Specialized::NameValueCollection ^ data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (string address, System.Collections.Specialized.NameValueCollection data);
[System.Runtime.InteropServices.ComVisible(false)]
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (string address, System.Collections.Specialized.NameValueCollection data);
member this.UploadValuesTaskAsync : string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
[<System.Runtime.InteropServices.ComVisible(false)>]
member this.UploadValuesTaskAsync : string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
Public Function UploadValuesTaskAsync (address As String, data As NameValueCollection) As Task(Of Byte())
Parameters
- address
- String
The URI of the resource to receive the collection.
- data
- NameValueCollection
The NameValueCollection to send to the resource.
Returns
The task object representing the asynchronous operation. The Result property on the task object returns a Byte array containing the response sent by the server.
- Attributes
Exceptions
The URI formed by combining BaseAddress, and address
is invalid.
-or-
There was no response from the server hosting the resource.
-or-
An error occurred while opening the stream.
-or-
The Content-type
header is not null
or "application/x-www-form-urlencoded".
Remarks
Caution
WebRequest
, HttpWebRequest
, ServicePoint
, and WebClient
are obsolete, and you shouldn't use them for new development. Use HttpClient instead.
This operation will not block. The returned Task<TResult> object will complete after the name/value collection has been uploaded to the resource. The name/value collection is sent asynchronously using thread resources that are automatically allocated from the thread pool.
In .NET Framework and .NET Core 1.0, you can cancel asynchronous operations that have not completed by calling the CancelAsync method.
If the underlying request is not understood by the server, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error.
If the Content-type header is null
, this method sets it to "application/x-www-form-urlencoded".
If the BaseAddress property is not an empty string ("") and address
does not contain an absolute URI, address
must be a relative URI that is combined with BaseAddress to form the absolute URI of the requested data. If the QueryString property is not an empty string, it is appended to address
.
This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in .NET Framework.
Applies to
UploadValuesTaskAsync(Uri, NameValueCollection)
- Source:
- WebClient.cs
- Source:
- WebClient.cs
- Source:
- WebClient.cs
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object.
public:
System::Threading::Tasks::Task<cli::array <System::Byte> ^> ^ UploadValuesTaskAsync(Uri ^ address, System::Collections::Specialized::NameValueCollection ^ data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (Uri address, System.Collections.Specialized.NameValueCollection data);
[System.Runtime.InteropServices.ComVisible(false)]
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (Uri address, System.Collections.Specialized.NameValueCollection data);
member this.UploadValuesTaskAsync : Uri * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
[<System.Runtime.InteropServices.ComVisible(false)>]
member this.UploadValuesTaskAsync : Uri * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
Public Function UploadValuesTaskAsync (address As Uri, data As NameValueCollection) As Task(Of Byte())
Parameters
- address
- Uri
The URI of the resource to receive the collection.
- data
- NameValueCollection
The NameValueCollection to send to the resource.
Returns
The task object representing the asynchronous operation. The Result property on the task object returns a Byte array containing the response sent by the server.
- Attributes
Exceptions
The URI formed by combining BaseAddress, and address
is invalid.
-or-
An error occurred while opening the stream.
-or-
There was no response from the server hosting the resource.
-or-
The Content-type
header value is not null
and is not application/x-www-form-urlencoded
.
Remarks
Caution
WebRequest
, HttpWebRequest
, ServicePoint
, and WebClient
are obsolete, and you shouldn't use them for new development. Use HttpClient instead.
This operation will not block. The returned Task<TResult> object will complete after the name/value collection has been uploaded to the resource. The name/value collection is sent asynchronously using thread resources that are automatically allocated from the thread pool.
In .NET Framework and .NET Core 1.0, you can cancel asynchronous operations that have not completed by calling the CancelAsync method.
If the underlying request is not understood by the server, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error.
If the Content-type header is null
, this method sets it to "application/x-www-form-urlencoded".
If the BaseAddress property is not an empty string ("") and address
does not contain an absolute URI, address
must be a relative URI that is combined with BaseAddress to form the absolute URI of the requested data. If the QueryString property is not an empty string, it is appended to address
.
This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in .NET Framework.
Applies to
UploadValuesTaskAsync(Uri, String, NameValueCollection)
- Source:
- WebClient.cs
- Source:
- WebClient.cs
- Source:
- WebClient.cs
Uploads the specified name/value collection to the resource identified by the specified URI as an asynchronous operation using a task object.
public:
System::Threading::Tasks::Task<cli::array <System::Byte> ^> ^ UploadValuesTaskAsync(Uri ^ address, System::String ^ method, System::Collections::Specialized::NameValueCollection ^ data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (Uri address, string? method, System.Collections.Specialized.NameValueCollection data);
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (Uri address, string method, System.Collections.Specialized.NameValueCollection data);
[System.Runtime.InteropServices.ComVisible(false)]
public System.Threading.Tasks.Task<byte[]> UploadValuesTaskAsync (Uri address, string method, System.Collections.Specialized.NameValueCollection data);
member this.UploadValuesTaskAsync : Uri * string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
[<System.Runtime.InteropServices.ComVisible(false)>]
member this.UploadValuesTaskAsync : Uri * string * System.Collections.Specialized.NameValueCollection -> System.Threading.Tasks.Task<byte[]>
Public Function UploadValuesTaskAsync (address As Uri, method As String, data As NameValueCollection) As Task(Of Byte())
Parameters
- address
- Uri
The URI of the resource to receive the collection.
- method
- String
The HTTP method used to send the collection to the resource. If null, the default is POST for http and STOR for ftp.
- data
- NameValueCollection
The NameValueCollection to send to the resource.
Returns
The task object representing the asynchronous operation. The Result property on the task object returns a Byte array containing the response sent by the server.
- Attributes
Exceptions
The URI formed by combining BaseAddress, and address
is invalid.
-or-
method
cannot be used to send content.
-or-
There was no response from the server hosting the resource.
-or-
An error occurred while opening the stream.
-or-
The Content-type
header is not null
or "application/x-www-form-urlencoded".
Remarks
Caution
WebRequest
, HttpWebRequest
, ServicePoint
, and WebClient
are obsolete, and you shouldn't use them for new development. Use HttpClient instead.
This operation will not block. The returned Task<TResult> object will complete after the name/value collection has been uploaded to the resource. The name/value collection is sent asynchronously using thread resources that are automatically allocated from the thread pool.
In .NET Framework and .NET Core 1.0, you can cancel asynchronous operations that have not completed by calling the CancelAsync method.
If the underlying request is not understood by the server, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error.
If the Content-type header is null
, this method sets it to "application/x-www-form-urlencoded".
If the BaseAddress property is not an empty string ("") and address
does not contain an absolute URI, address
must be a relative URI that is combined with BaseAddress to form the absolute URI of the requested data. If the QueryString property is not an empty string, it is appended to address
.
This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in .NET Framework.