Help me out I dn't know C#

Question

HI,

    I am getting the following exception is my log file, can any one help me in indentifying the issue?? Is it network issue? or any suggestion , how to proceed 

My C# code is trying to ping  different severs for information. But getting the following exception.

 

Server Pingable ==> XYZ
Exception in getting printer details  Object reference not set to an instance of an object.
Exception in connectToServer System.Net.NetworkInformation.PingException: An exception occurred during a Ping request. ---> System.Net.Sockets.SocketException: No such host is known
   at System.Net.Dns.GetAddrInfo(String name)
   at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)
   at System.Net.Dns.GetHostAddresses(String hostNameOrAddress)
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress, Int32 timeout, Byte[] buffer, PingOptions options)
   --- End of inner exception stack trace ---
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress, Int32 timeout, Byte[] buffer, PingOptions options)
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress)
   at Connect.connectToServer(String ServerName)
Exception in connectToServer System.Net.NetworkInformation.PingException: An exception occurred during a Ping request. ---> System.Net.Sockets.SocketException: No such host is known
   at System.Net.Dns.GetAddrInfo(String name)
   at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)
   at System.Net.Dns.GetHostAddresses(String hostNameOrAddress)
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress, Int32 timeout, Byte[] buffer, PingOptions options)
   --- End of inner exception stack trace ---
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress, Int32 timeout, Byte[] buffer, PingOptions options)
   at System.Net.NetworkInformation.Ping.Send(String hostNameOrAddress)
   at Connect.connectToServer(String ServerName)
Exception in connectToServer System.Net.NetworkInformation.PingException: An except

Answer 1

my task is to upload file with updated version 6th step of following url

 

https://developer.autodesk.com/en/docs/data/v2/tutorials/upload-file/ 

Answer 2

var url = "API URL";
var jsonData = "[{...json data...}]";

using (var client = new WebClient())
{
    client.Headers.Add("content-type", "application/json");
    var response = client.UploadString(url, jsonData);
}

 Try this

Answer 3

I have to integrate this 

https://developer.autodesk.com/en/docs/data/v2/reference/http/projects-project_id-versions-POST/ 

Answer 4

What should i pass in query string or in request.AddHeader

Answer 5

Please have a look at below thread it might be helpful to you:

 

https://stackoverflow.com/questions/7929013/making-a-curl-call-in-c-sharp