Creating Nested Folders via Client Object Model

Question

I'm trying to create nested folders in my document library so it looks like this:

http://site/PublicDocuments/Folder1/Folder2/Folder3/

The document library "Public Documents" exists but none of the folders exist yet.

Here's the working code for those interested:

    ClientContext clientContext = new ClientContext(url);
    Web web = clientContext.Web;
    var query = clientContext.LoadQuery(web.Lists.Where(p => p.Title == "Public Documents"));
    clientContext.ExecuteQuery();
    List list = query.FirstOrDefault();
    var folder = list.RootFolder;

    clientContext.Load(folder);
    clientContext.ExecuteQuery();

    string[] namesArray = new string[] { "/Folder1", "Folder2", "Folder3" };
    foreach(string name in namesArray)
    {
        folder = folder.Folders.Add(name);            
    }

    clientContext.ExecuteQuery();

Thanks!

eirikb · Accepted Answer · 2012-11-15 22:35:12Z

12

Try not calling clientContext.Load, for example this works for me:

var folder = list.RootFolder;
clientContext.Load(folder);
clientContext.ExecuteQuery();
folder = folder.Folders.Add("Folder 1");
folder.Folders.Add("Folder 2");
clientContext.ExecuteQuery();

answered Nov 15, 2012 at 22:35

eirikb

7,4455 gold badges37 silver badges67 bronze badges

Thanks, that works. I'm going to post the code using the foreach loop shortly

ATAI
– ATAI

2012-11-15 22:58:20 +00:00
Commented Nov 15, 2012 at 22:58

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Vadim Gremyachev · Accepted Answer · 2014-03-07 09:15:01Z

How to create Folder (including nested) via CSOM in SharePoint

/// <summary>
/// Create Folder (including nested) client object
/// </summary>
/// <param name="web"></param>
/// <param name="listTitle"></param>
/// <param name="fullFolderPath"></param>
/// <returns></returns>
public static Folder CreateFolder(Web web, string listTitle, string fullFolderPath)
{
    if (string.IsNullOrEmpty(fullFolderPath))
        throw new ArgumentNullException("fullFolderPath");
    var list = web.Lists.GetByTitle(listTitle);
    return CreateFolderInternal(web, list.RootFolder, fullFolderPath);
}


private static Folder CreateFolderInternal(Web web, Folder parentFolder, string fullFolderPath)
{
    var folderUrls = fullFolderPath.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
    string folderUrl = folderUrls[0];
    var curFolder = parentFolder.Folders.Add(folderUrl);
    web.Context.Load(curFolder);
    web.Context.ExecuteQuery();

    if (folderUrls.Length > 1)
    {
        var folderPath = string.Join("/", folderUrls, 1, folderUrls.Length - 1);
        return CreateFolderInternal(web, curFolder, folderPath);
    }
    return curFolder;
}

Usage

 using (var ctx = new ClientContext("https://contoso.intranet.com/"))
 {
       var folder = CreateFolder(ctx.Web, "Shared Documents", "FolderA/SubFolderA/SubSubFolderA");
 }

Thank you for this answer. I was wondering if you could check if one or more folder in the nested path already exists and if so skip that. — Animesh D
– Animesh D, Commented Jan 30, 2018 at 10:03

Colin Gardner · Accepted Answer · 2013-03-05 03:50:23Z

How about something like this:

 public static Folder EnsureFolder(ClientContext ctx, Folder ParentFolder, string FolderPath)
    {
        //Split up the incoming path so we have the first element as the a new sub-folder name 
        //and add it to ParentFolder folders collection
        string[] PathElements = FolderPath.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);           
        string Head = PathElements[0];
        Folder NewFolder = ParentFolder.Folders.Add(Head);
        ctx.Load(NewFolder);
        ctx.ExecuteQuery();

        //If we have subfolders to create then the length of PathElements will be greater than 1
        if (PathElements.Length > 1)
        {
            //If we have more nested folders to create then reassemble the folder path using what we have left i.e. the tail
            string Tail = string.Empty;
            for (int i = 1; i < PathElements.Length; i++)
                Tail = Tail + "/" + PathElements[i];

            //Then make a recursive call to create the next subfolder
            return EnsureFolder(ctx, NewFolder, Tail);
        }
        else
            //This ensures that the folder at the end of the chain gets returned
            return NewFolder;            
    }

and then you can call it with following:

ctx.Load(TargetList.RootFolder);
ctx.ExecuteQuery();
Folder NewFolder = EnsureFolder(ctx, TargetList.RootFolder, "/Folder1/Folder2/Folder3");

Rune · Accepted Answer · 2018-04-09 12:05:57Z

2

var list = ctx.GetListByTitle("MyList); list.EnableFolderCreation = true; list.RootFolder.EnsureFolder("NewFolder1").EnsureFolder("NewSubFolderToFolder1"); ctx.ExecuteQuery();

answered Apr 9, 2018 at 12:05

Rune

2493 silver badges10 bronze badges

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Falak Mahmood · Accepted Answer · 2012-11-15 22:35:21Z

0

Try looping through and adding each folder and then call ExecuteQuery

      string[] namesArray = new string[] {  "Folder1","Folder2"};
      foreach (string name in namesArray)
       {
        //Add Folder
        var folders = list.RootFolder.Folders;
        clientContext.Load(folders);
        clientContext.ExecuteQuery();
        var newFolder = folders.Add(name);
      }
      //Execute request
      clientContext.ExecuteQuery();

answered Nov 15, 2012 at 22:35

Falak Mahmood

17.3k2 gold badges42 silver badges67 bronze badges

2

That code is from the example I was trying to follow. That will only create folders at the root level, resulting in: site/PublicDocuments/Folder1 site/PublicDocuments/Folder2 which is not what I'm looking for

ATAI
– ATAI

2012-11-15 22:53:32 +00:00
Commented Nov 15, 2012 at 22:53

Add a comment |

Robert Lindgren · Accepted Answer · 2014-06-17 05:56:07Z

Use the below simple code.

 public void CreateFolder(string url, string foldername,string documentlibname)
    {
        try
        {
            ClientContext clientContext = new ClientContext(url);
            Web web = clientContext.Web;
            var query = clientContext.LoadQuery(web.Lists.Where(p => p.Title == documentlibname));## Heading ##
            clientContext.ExecuteQuery();
            List list = query.FirstOrDefault();
            var folder = list.RootFolder;
            clientContext.Load(folder);
            clientContext.ExecuteQuery();
            string[] PathElements = foldername.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
            for (int i = 0; i < PathElements.Length; i++)
            {
                folder = folder.Folders.Add(PathElements[i].ToString());
                clientContext.ExecuteQuery();
            }



            //folder = folder.Folders.Add(foldername);
            //clientContext.ExecuteQuery();
        }
        catch (System.Exception ex)
        {

            throw;
        }
    }

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