How to Programmatically Upload File to SharePoint Document Library?

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Microsoft.SharePoint;

using System.IO;

using System.Collections;

 

namespace UploadFiles

{

    class Program

    {

      static void Main(string[] args)

        {

          //Get the Site collection

            using (SPSite site = new SPSite("http://sharepoint.com"))

            {

                //Open the Root web

                using(SPWeb web=site.OpenWeb())

               {

                /*** Simple File Upload ********/

                // Read the file from the stream into the byte array

                FileStream fs= File.OpenRead(@"c:\MyDoc.doc");

                byte[] FileContent= new byte[fs.Length];

                fs.Read(FileContent, 0, Convert.ToInt32(fs.Length));

                fs.Close();

                //Get the documents Librarym named "Documents"

                SPList DocLib = web.Lists["Documents"];

                //Add the file

                web.Files.Add(DocLib.RootFolder + "/MyDoc.doc", FileContent, true);

 

                /*** If you want to add inside a folder: say "Sales" *******/

                // Get the folder called "Sales"

                SPFolder SubFolder = DocLib.RootFolder.SubFolders["Sales"];

                //Add the file to the sub-folder

                SPFile file = SubFolder.Files.Add(SubFolder.Url + "/MyFile.doc", FileContent, true);

                SubFolder.Update();

 

                //IF you want to Update the Meta data column say "Country"

                SPListItem item = DocLib.Items[file.UniqueId];

                item["Country"] = "Denmark";

                item.Update();

                // OR We can use the Hash Table

                var Metadata = new Hashtable { { "Country", "India" } };

                // Add the file

                web.Files.Add(DocLib.RootFolder + "/MyDoc2.doc", FileContent, Metadata, true);

 

                /**** Check-in the file, If the Library has mandatory Columns or Explicit Check-out Enabled *******/

                if (file.CheckOutStatus != SPFile.SPCheckOutStatus.None)

                {

                    file.CheckIn("File uploaded Programmatically !");

                }

 

                /**** Publish the file using File.publish() method If Minor versions enabled! ****/

                //file.Publish("File published Programmatically !");

 

              }

            }

 

        }

    }

}

Read more: http://www.sharepointdiary.com/2012/04/how-to-programmatically-upload-file-to-sharepoint-library.html#ixzz3rrRPk8wh