Downloading file from url c# (Other questions didn't work with me)

Question

When i use other questions' answers i get a WebException and it crashes, here is the following code i tried:

WebClient Client = new WebClient ();
Client.DownloadFile("http://i.stackoverflow.com/Content/Img/stackoverflow-logo-250.png", @"C:\folder\stackoverflowlogo.png");

And I get a WebException when I click the button of the download, so anyone got a fix for this problem? I'm trying to download a file from a url without getting a WebException.

Yes, point to an existing domain. `i.stackoverflow.com` does not exist! — Patrick Hofman, Feb 27 '17 at 12:10
So how are we able to help you if you just make up some code? — Patrick Hofman, Feb 27 '17 at 12:11
The url is: http://download1417.mediafire.com/531vw6yc9v4g/sq90gpk3wrs8msi/DooMCrafT-V1.zip — Flame LionZ, Feb 27 '17 at 12:12
It tells me "WebException was unhandled, An unhandled exception of type 'System.Net.WebException' occurred in System.dll, additional information: an exception occurred during a WebClient Request" — Flame LionZ, Feb 27 '17 at 12:15
What does the `InnerException` say? Come on, stop dripfeeding the information. — DavidG, Feb 27 '17 at 12:15
In your example you use `C:\folder\ `. Does that folder exist and does your app have permission to write to it? — DavidG, Feb 27 '17 at 12:17
I get *Permission denied* when I run that. I guess you need to log on first. — Patrick Hofman, Feb 27 '17 at 12:18
@PatrickHofman The URL is fine for me, the permission is likely the destination folder. — DavidG, Feb 27 '17 at 12:18
I don't think so, it won't yield a `WebException` then @DavidG — Patrick Hofman, Feb 27 '17 at 12:19
Okay guys, that worked! Thanks but can you tell me how to make it create a folder if it doesn't exist? — Flame LionZ, Feb 27 '17 at 12:20
@PatrickHofman Everything in `WebClient` throws a `WebException` — DavidG, Feb 27 '17 at 12:20
[If a folder does not exist, create it](http://stackoverflow.com/q/9065598/993547) — Patrick Hofman, Feb 27 '17 at 12:21
@PatrickHofman That's why I usually tell people to drop it and use `HttpClient` — DavidG, Feb 27 '17 at 12:21

score 0 · Answer 1 · answered Feb 27 '17 at 12:32

You can handle errors like this, so that you can easily debug through the cause of error.

Please go through Status values here, there is more to handle

try
        {           

            using (var client = new WebClient())
            {
                client.DownloadFile({url},{filename to save});

            }               
        }
        catch (WebException ex)
        {
            if(ex.Status==WebExceptionStatus.Timeout) //Timeout 
            {

            }
            if (ex.Status == WebExceptionStatus.ConnectFailure) //Connection error 
            {

            }
            if (ex.Status == WebExceptionStatus.NameResolutionFailure) //URL not valid
            {

            }
            if (ex.Response!= null)
            {
                if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.NotFound)
                {
                    // error 404, do what you need to do

                }                   
            }               

        }

Downloading file from url c# (Other questions didn't work with me)

1 Answers1