C# download file from url validate file type .zip

When an application needs to talk to another system, it is quite common that the application sends data to and receives data from the other system using HttpClient in the back-end. This blog post intends to provide the missing guide. The complete source code is in my GitHub repository. The implementation is lengthy, but the code logic demonstrates several checks to meet the security criteria. The following code snippet shows the example action method.

In the code above, lines 22 to 47 handle the File Disposition, and lines 48 to 65 handle the Form Disposition. When the MultipartReader reads sections in the HTTP request body, the request content is parsed and saved to physical disk file and memory form data. This API action method finds the file and converts the file to an array of bytes, then returns a FileContentResult with the byte array and metadata. Kishawy 4, 10 10 gold badges 45 45 silver badges 72 72 bronze badges.

Manoj Savalia Manoj Savalia 1, 3 3 gold badges 12 12 silver badges 36 36 bronze badges. Confirm if the download link is not blocked in the Firewall — GauravKP. When i write link in browser that time is work So i think it is not blocked. Error in Completed. The above code is correct, unless you have Permission restriction for download location. Did you try it with another URL? Maybe some local URL and see if that works.

Add a comment. Active Oldest Votes. Mark Shevchenko Mark Shevchenko 7, 1 1 gold badge 23 23 silver badges 27 27 bronze badges. You could easily use the ZipFile class like this: using System. If not we may encounter issues as the file is not downloaded. Note: This is compatible with Java 7 version. Thank you for this manual. Tell me please what a value I must input in setPreference "browser.

This code will work if you test it from your local machine but if it is deployed in jenkins with grid hub it doesn't work because by default path is taking from jenkins not from the grid node. Please help on this. I m not able to download the file from web site via selenium C3 code. Can anyone support what will be issue in this case.

Skip to main content. Selenium Easy. Free selenium tutorials for beginners and experts. The following code segment prepares an instance of the System. 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 is just as simple as the other answer if you just leave out the progress bar. Also the question doesn't ask for the simplest way, just a simple way. Jessedegans There is already an answer that shows how to simply download without a progressbar. Thats why I wrote an answer that helps with asynchronous download and progressbar implementation — Abdul Saleem.

This answer is good, probably better and more detailed than the one with more upvotes. It's almost obvious that one needs a progress indicator while downloading a file. The asynchronous functionality is a bonus. I was looking for such an implementation. Show 1 more comment. Chris Lee 6 6 bronze badges. WebClient is obsolete see github. Welcome to SO! Generally it's not a good idea to post a low-quality answer to an existing and old question that already has highly upvoted answers.

I found my answer from seanb's comment, but truly I prefer this "low-quality" answer over the others. It's complete using statement , concise and easy to understand. Being an old question is irrelevant, IMHO. But it think the answer with Using is much better, because, i think the WebClient should be disposed after used. Putting it inside using ensures that it is disposed. It has nothing to do with dispose in this code example The using statement here just show the namespace to use, no that WebClient is use into using to be dispose Complete class to download a file while printing status to console.

ComponentModel; using System. IO; using System. Net; using System. CreateDirectory Path. WriteLine "Downloading file:" ; client. WriteLine "Was not able to download file! Cancelled; if!