ASP.NET file transfer from local machine to another machine?

[EDMS]

I basically want to transfer a file from the client machine to the file storage server without actual login to the server so that the client cannot access the storage location on the server directly. I can do this only if i manually login to the storage server through windows login. I dont want to do that. This is a Web-Based Application.



Is there any other method to perform the file transfer?
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The following is my code:-

protected void Button1_Click(object sender, EventArgs e)
{

filePath = FileUpload1.FileName;
try
{
WebClient client = new WebClient();

NetworkCredential nc = new NetworkCredential(uName, password);

Uri addy = new Uri("\\192.168.1.3\upload\");
client.Credentials = nc;
byte[] arrReturn = client.UploadFile(addy, filePath);

Console.WriteLine(arrReturn.ToString());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}

}

The following line doesn't execute...

byte[] arrReturn = client.UploadFile(addy, filePath);

This is the error I get:

An exception occurred during a WebClient request