Hi
i have written this below code but getting a run time error. Please help me out. and i have include a button on click Button1_Click1 function will execute.
using Microsoft.SharePoint.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace CopySCTaskWeb
{
public partial class Default : System.Web.UI.Page
{
protected void Button1_Click1(object sender, EventArgs e)
{
string filePath = "/Document1/Doc1.docx";
var spContext = SharePointContextProvider.Current.GetSharePointContext(Context);
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();
//generate destination context
string destinationSiteUrl = "https://..."; //I used mysite url here
Uri destinationSiteUri = new Uri(destinationSiteUrl);
//target realm of the tenant (This is constant per tenant)
string targetRealm = TokenHelper.GetRealmFromTargetUrl(destinationSiteUri);
//generate access token for destination site
string accessToken = TokenHelper.GetAppOnlyAccessToken(TokenHelper.SharePointPrincipal, destinationSiteUri.Authority, targetRealm).AccessToken;
//get destination site context using access token
using (var destinationContext = TokenHelper.GetClientContextWithAccessToken(destinationSiteUrl, accessToken))
{
//load server relative url of destination library
var destinationLibrary = destinationContext.Web.Lists.GetByTitle("Drop Off Library");
FileCreationInformation fileCreationInfo = new FileCreationInformation();
fileCreationInfo.ContentStream = fileStream.Value;
fileCreationInfo.Url = sourceFile.Name;
fileCreationInfo.Overwrite = false;
Microsoft.SharePoint.Client.File destinationFile = destinationLibrary.RootFolder.Files.Add(fileCreationInfo);
destinationContext.Load(destinationFile, k => k.ServerRelativeUrl);
destinationContext.ExecuteQuery();
}
}
}
}
}
and i am getting an error i.e
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