Download file c httpwebrequest

This is a simple program that shows how to download files from the web and save them. Description: This is a simple program that shows how to download files from the web and save them. The data are read into a buffer. A FileStream class is used to save the file to disk.

In this example, a doppler radar map that covers the area I live is requested and saved to a file called "weather. Since the data are downloaded and read into the buffer asynchronously, a loop is required to read and keep track of how many bytes have been read, and the point in the stream where the next read should start.

The loop will continue until the buffer is full or 0 bytes are read, indicating the end of the stream has been reached. The buffer must be sized large enough to hold the file. This is not a problem in this case as the doppler jpg's are a standard and known size. HttpWebRequest class to download my website logo. Sometimes, there is a need for the client to supply some information to the web server in order to download a file.

This can be a case when we want to control how files are downloaded. We can refer to every file in our web server with a unique id and write a server script to serve the respective file based on the id received from the client.

If id is 1, it will write my website logo to the client, else it will write my icon image to the client. Clivant a. When overridden in a descendant class, returns a Stream for writing data to the Internet resource as an asynchronous operation. When overridden in a descendant class, returns a response to an Internet request as an asynchronous operation.

Gets the Type of the current instance. Creates a shallow copy of the current Object. Creates a shallow copy of the current MarshalByRefObject object. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Namespace: System. Net Assembly: System. In this article. Inherited from WebRequest. Gets or sets the cache policy for this request.

Gets or sets the content type of the data being sent. Gets or sets the impersonation level for the current request. Gets or sets the protocol method used for the request. Aborts the request.