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URI Format not supported.The remote server returned an error: (401) Unauthorized.

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Hi,

I want to download the document from below mentioned URL. When i try to download directly in the IE URL, it will be asking username and password credential to open the document.

But, when i try to download through application i am getting below error.

"The remote server returned an error: (401) Unauthorized."

ASP.NET Code:

downloadbutton_click event

URIFile = http://sr1250kl.vrmnet.vrm.intranet/A1/servlet/Download?auth=basic&event_name=k1_view&_file=emparea&id=0000008763&version=01

Dim client As New WebClient()
client.Credentials = CredentialCache.DefaultCredentials
client.UseDefaultCredentials = True
client.Credentials = New NetworkCredential("XXXXXX", "XXXXXXX", "vrmnet.vrm.intranet")
Dim buffer As Byte() = client.DownloadData(URIFile )
Dim download As String = Encoding.ASCII.GetString(buffer)
Console.WriteLine(download)
Console.WriteLine("Download successful.")
Response.ContentType = "application/pdf"
Response.AddHeader("content-length", buffer.Length.ToString())
Response.BinaryWrite(buffer)

The above code is not working when i click the download button using above code. Error : "The remote server returned an error: (401) Unauthorized."

How to download the file..?


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