I am having issues with the WebClient Class in vb.net. I have an application that is automating the download of files. I ran into an issue with sites that are https and require selecting a digital certificate. The direct URL link from the browser works fine and brings up the dialog box to select the correct certificate (CAC based authentication).
Using my application I receive http 403/ forbidden error. I used Fiddler to identify two issues.
1. When using the direct link from the browser to the site the header displays 443 http/1.0, but the same link from my application uses 443 http/1.1.
2. Discovered I have no header information being displayed when using my application, and I am not sure if this would create problems.
Here is the code.
Any help would be appreciated.
Using my application I receive http 403/ forbidden error. I used Fiddler to identify two issues.
1. When using the direct link from the browser to the site the header displays 443 http/1.0, but the same link from my application uses 443 http/1.1.
2. Discovered I have no header information being displayed when using my application, and I am not sure if this would create problems.
Here is the code.
Code:
Try
' Make a WebClient.
Dim web_client As WebClient = New WebClient
' Download the file.
web_client.DownloadFile(source, destination)
Catch err As Exception
toolsets.ListView1.Items.Add(New ListViewItem({source, err.Message})).ForeColor = Color.Firebrick
End Try
End SubAny help would be appreciated.