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Definition
Uploads a local file to a resource with the specified URI.
C# WebClient DownloadFile(Uri, String) Description. WebClient DownloadFile(Uri, String) Downloads the resource with the specified URI to a local file. WebClient.DownloadFile(Uri, String) has the following syntax.
Overloads
UploadFile(String, String)UploadFile(String, String)UploadFile(String, String)UploadFile(String, String) | Uploads the specified local file to a resource with the specified URI. |
UploadFile(Uri, String)UploadFile(Uri, String)UploadFile(Uri, String)UploadFile(Uri, String) | Uploads the specified local file to a resource with the specified URI. |
UploadFile(String, String, String)UploadFile(String, String, String)UploadFile(String, String, String)UploadFile(String, String, String) | Uploads the specified local file to the specified resource, using the specified method. |
UploadFile(Uri, String, String)UploadFile(Uri, String, String)UploadFile(Uri, String, String)UploadFile(Uri, String, String) | Uploads the specified local file to the specified resource, using the specified method. |
UploadFile(String, String)UploadFile(String, String)UploadFile(String, String)UploadFile(String, String)
Uploads the specified local file to a resource with the specified URI.
Parameters
- address
- StringStringStringString
The URI of the resource to receive the file. For example, ftp://localhost/samplefile.txt.
- fileName
- StringStringStringString
The file to send to the resource. For example, 'samplefile.txt'.
Returns
A Byte array containing the body of the response from the resource.
Exceptions
ArgumentNullExceptionArgumentNullExceptionArgumentNullExceptionArgumentNullException
The
address
parameter is null
. -or-
File C Documents
The
fileName
parameter is null
.The URI formed by combining BaseAddress, and
address
is invalid. -or-
fileName
is null
, is Empty, contains invalid characters, or does not exist. -or-
An error occurred while uploading the file.
-or-
There was no response from the server hosting the resource.
-or-
The
Content-type
header begins with multipart
.Examples
The following code example uploads the specified file to the specified URI using UploadFile. Any response returned by the server is displayed on the console.
The following code example shows an ASP.NET page that can accept posted files and is suitable for use with the UploadFile method. The page must reside on a Web server. Its address provides the value for the
address
parameter of the UploadFile method. Remarks
The UploadFile method sends a local file to a resource. This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
This method blocks while uploading the file. To continue executing while waiting for the server's response, use one of the UploadFileAsync methods.
The
POST
method is defined by HTTP. If the underlying request does not use HTTP and POST
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 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
. Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
Security
FileIOPermission
to access the local file. Associated enumeration: Read.
to access the local file. Associated enumeration: Read.
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UploadFile(Uri, String)UploadFile(Uri, String)UploadFile(Uri, String)UploadFile(Uri, String)
Uploads the specified local file to a resource with the specified URI.
Parameters
- address
- UriUriUriUri
The URI of the resource to receive the file. For example, ftp://localhost/samplefile.txt.
- fileName
- StringStringStringString
The file to send to the resource. For example, 'samplefile.txt'.
Returns
A Byte array containing the body of the response from the resource.
Exceptions
ArgumentNullExceptionArgumentNullExceptionArgumentNullExceptionArgumentNullException
The
address
parameter is null
. -or-
The
fileName
parameter is null
.The URI formed by combining BaseAddress, and
address
is invalid. -or-
fileName
is null
, is Empty, contains invalid characters, or does not exist. -or-
An error occurred while uploading the file.
-or-
There was no response from the server hosting the resource.
-or-
The
Content-type
header begins with multipart
.Remarks
The UploadFile method sends a local file to a resource. This method uses the STOR command to upload an FTP resource. For an HTTP resource, the POST method is used.
This method blocks while uploading the file. To continue executing while waiting for the server's response, use one of the UploadFileAsync methods.
The
POST
method is defined by HTTP. If the underlying request does not use HTTP and POST
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 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
. Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
Security
FileIOPermission
to access the local file. Associated enumeration: Read.
to access the local file. Associated enumeration: Read.
UploadFile(String, String, String)UploadFile(String, String, String)UploadFile(String, String, String)UploadFile(String, String, String)
Uploads the specified local file to the specified resource, using the specified method.
Parameters
- address
- StringStringStringString
The URI of the resource to receive the file.
- method
- StringStringStringString
The method used to send the file to the resource. If
null
, the default is POST for http and STOR for ftp.- fileName
- StringStringStringString
The file to send to the resource.
Returns
A Byte array containing the body of the response from the resource.
Exceptions
ArgumentNullExceptionArgumentNullExceptionArgumentNullExceptionArgumentNullException
The
address
parameter is null
. -or-
The
fileName
parameter is null
.The URI formed by combining BaseAddress, and
address
is invalid. -or-
fileName
is null
, is Empty, contains invalid characters, or does not exist. -or-
An error occurred while uploading the file.
-or-
There was no response from the server hosting the resource.
-or-
The
Content-type
header begins with multipart
.Examples
The following code example uploads the specified file to the specified URI using UploadFile. Any response returned by the server is displayed on the console.
The following code example shows an ASP.NET page that can accept posted files and is suitable for use with the UploadFile method. The page must reside on a Web server. Its address provides the value for the
address
parameter of the UploadFile method. Remarks
When address specifies an HTTP resource, the UploadFile method sends a local file to a resource using the HTTP method specified in the
method
parameter and returns any response from the server. This method blocks while uploading the file. To continue executing while waiting for the server's response, use one of the UploadFileAsync methods. If the
method
parameter specifies a verb that is not understood by the server or the address
resource, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error. 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
. Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
Security
FileIOPermission
to access the local file. Associated enumeration: Read
to access the local file. Associated enumeration: Read
UploadFile(Uri, String, String)UploadFile(Uri, String, String)UploadFile(Uri, String, String)UploadFile(Uri, String, String)
Uploads the specified local file to the specified resource, using the specified method.
Parameters
- address
- UriUriUriUri
The URI of the resource to receive the file.
- method
- StringStringStringString
The method used to send the file to the resource. If
null
, the default is POST for http and STOR for ftp.- fileName
- StringStringStringString
The file to send to the resource.
Returns
A Byte array containing the body of the response from the resource.
Exceptions
ArgumentNullExceptionArgumentNullExceptionArgumentNullExceptionArgumentNullException
The
address
parameter is null
. -or-
The
fileName
parameter is null
.The URI formed by combining BaseAddress, and
address
is invalid. -or-
fileName
is null
, is Empty, contains invalid characters, or does not exist. -or-
An error occurred while uploading the file.
-or-
There was no response from the server hosting the resource.
-or-
The
Content-type
header begins with multipart
.Remarks
When address specifies an HTTP resource, the UploadFile method sends a local file to a resource using the HTTP method specified in the
method
parameter and returns any response from the server. This method blocks while uploading the file. To continue executing while waiting for the server's response, use one of the UploadFileAsync methods. Msi afterburner 2 2 0 beta 14 diesel. If the
method
parameter specifies a verb that is not understood by the server or the address
resource, the underlying protocol classes determine what occurs. Typically, a WebException is thrown with the Status property set to indicate the error. 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
. Note
This member outputs trace information when you enable network tracing in your application. For more information, see Network Tracing in the .NET Framework.
Spring Webclient Example
Security
Webclient File C Example Pdf
FileIOPermission
to access the local file. Associated enumeration: Read
to access the local file. Associated enumeration: Read