using System;
	
		using System.Linq;
	
		using System.Collections.Generic;
	
		using Microsoft.SharePoint;
	
		using Microsoft.SharePoint.Client;
	
		using System.Net;
	
		namespace UploadFileToSharePoint
	
		{
	
		  class Program
	
		  {
	
		    static void Main(string[] args)
	
		    {
	
		        string webUrl = "https://server/siteCollection";
	
		        string folderUrl = "Shared%20Documents/MyF older/My Subfolder";
	
		        string sourceFolder = "c:/";
	
		        string fileName = "y.zip";
	
		        try
	
		        {
	
		          using (ClientContext context = new ClientContext(webUrl))
	
		          {
	
		            Web web = context.Web;
	
		            context.Load(web);
	
		            context.Credentials = new NetworkCredential("username", "P@ssw0rd", "domain");
	
		            Folder folder = context.Web.GetFolderByServerRelativeUrl(folderUrl);
	
		            context.Load(folder);
	
		            context.Load(folder.Files);
	
		            context.ExecuteQuery();
	
		            Console.WriteLine("Web Url: {0}", web.Title);
	
		            Console.WriteLine("Folder Name: {0}", folder.Name);
	
		            foreach (File file in folder.Files)
	
		            {
	
		              Console.WriteLine("File: {0}", file.Name);
	
		            }
	
		            FileCreationInformation newFile = new FileCreationInformation();
	
		            newFile.Content = System.IO.File.ReadAllBytes(sourceFolder + fileName);
	
		            newFile.Url = fileName;
	
		            Microsoft.SharePoint.Client.File uploadFile = folder.Files.Add(newFile);
	
		            context.Load(uploadFile);
	
		            context.ExecuteQuery();
	
		            Console.WriteLine("{0} file uploaded to: {1}", fileName, folderUrl);
	
		          }
	
		        }
	
		        catch (Exception ex)
	
		        {
	
		          Console.WriteLine(ex.Message);
	
		        }
	
		        finally
	
		        {
	
		         
	
		          Console.Read();
	
		        }
	
		       
	
		     
	
		    }
	
		  }
	
		}