garima2510

string filePath = "/TestLibrary/TestDocument.pptx";
var spContext = SharePointContextProvider.Current.GetSharePointContext(HttpContext);

using (var sourceContext = spContext.CreateUserClientContextForSPHost())
{
    Microsoft.SharePoint.Client.File sourceFile = sourceContext.Web.GetFileByServerRelativeUrl(filePath);
    //file stream will be used to upload in destination library
    var fileStream = sourceFile.OpenBinaryStream();
    sourceContext.Load(sourceFile, k => k.ServerRelativeUrl, k => k.Name);
    sourceContext.ExecuteQuery();

garima2510

using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.UserProfiles;

using (ClientContext clientContext = new ClientContext("https://tenant.sharepoint.com/"))
{
    SecureString passWord = new SecureString();

    foreach (char c in "your_password".ToCharArray()) passWord.AppendChar(c);

    clientContext.Credentials = new SharePointOnlineCredentials("your_email_id", passWord);

garima2510

using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.UserProfiles;
 
using (ClientContext clientContext = new ClientContext("https://tenant.sharepoint.com/"))
{
    SecureString passWord = new SecureString();
 
    foreach (char c in "your_password".ToCharArray()) passWord.AppendChar(c);
 
    clientContext.Credentials = new SharePointOnlineCredentials("your_email_id", passWord);

garima2510

var spContext = SharePointContextProvider.Current.GetSharePointContext(HttpContext, SPHostUrl);
 
using (var clientContext = spContext.CreateUserClientContextForSPAppWeb())
{
    if (clientContext != null)
    {
      FileCreationInformation newFile = new FileCreationInformation();
      //here file is the selected file. In this case of type HttpPostedFileBase
      newFile.ContentStream = file.InputStream;
      

garima2510

var spContext = SharePointContextProvider.Current.GetSharePointContext(HttpContext, SPHostUrl);

using (var clientContext = spContext.CreateUserClientContextForSPAppWeb())
{
    if (clientContext != null)
    {
        //code for file size < 2MB
        //file is the input which we uploaded. It can be taken from Request.Files
        FileCreationInformation newFile = new FileCreationInformation();
        newFile.Content = System.IO.File.ReadAllBytes(file.FileName);

garima2510

var spContext = SharePointContextProvider.Current.GetSharePointContext(HttpContext, SPHostUrl);

using (var clientContext = spContext.CreateUserClientContextForSPAppWeb())
{
    if (clientContext != null)
    {
        //file is uploaded file. Could be read from Request.Files
        using (FileStream fs = new FileStream(file.FileName, FileMode.Open))
        {
            //code for file size > 2MB. tested upto 50MB