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Sharepoint 2013 "Everyone" user permission

I have Sharepoint enterprise server with list that have "Everyone" user grant as contributor
but, when I execute below code with authenticated user (let say, user Abc), for add item list row, the row never added to list
SPWeb web1 = SPContext.Current.Web;
using (SPSite site = new SPSite(web1.Url))
{
using (SPWeb web = site.OpenWeb())
{
SPList roomList = web.Lists.TryGetList(LIST_NAME);
if (roomList != null)
{
SPListItem newItem = roomList.Items.Add();
PopulateListWithData(data, ref newItem);
newItem.Update();
}
}
}
}
How can I add row to list with user Abc?

try to add using following code
using (SPSite site = new SPSite(SPContext.Current.Site.Url))
{
using (SPWeb web = site.OpenWeb(SPContext.Current.Web))
{
SPList roomList = web.Lists.TryGetList(LIST_NAME);
if (roomList != null)
{
SPListItem newItem = roomList.AddItem();
PopulateListWithData(data, ref newItem);
newItem.Update();
}
}
}
if you still have the same issue
try to ensure the following
list you try to add to already exists in root web site
List name is types right because your code may be break after TryGetList
after that if still have the same issue you need to debug or check sharepoint logs to catch exception that happen

Code to list all permissions for SharePoint Folders

I'm after some C# code to recursively enumerate all the folders in a SharePoint web site and list the permissions applying to them to be run from a Sharepoint client machine. Can anyone provide or point me to an example?
The following code can perform this function on a server using SPSite object ( from https://social.msdn.microsoft.com/Forums/sqlserver/en-US/8c7c5735-039e-4cb9-a2b5-58d70a10793f/get-permissions-group-from-folders-tree-view-on-a-doc-library?forum=sharepointdevelopmentprevious) but I need to run it using SharePoint Client code
public static void getPermissionsOfFolders()
{
using (SPSite site = new SPSite("http://sp"))
{
using (SPWeb web = site.RootWeb)
{
SPList list = web.GetList("/Lists/List2");
foreach (SPListItem item in list.Folders)
{
Console.WriteLine("ID: "+item["ID"]+"--"+item.SortType);
if (SPFileSystemObjectType.Folder == item.SortType)
{
SPRoleAssignmentCollection roles = item.RoleAssignments;
foreach (SPRoleAssignment role in roles)
{
Console.WriteLine("~");
Console.WriteLine("Name: "+role.Member.Name);
SPRoleDefinitionBindingCollection bindings = role.RoleDefinitionBindings;
XmlDocument doc = new XmlDocument();
doc.LoadXml(bindings.Xml);
XmlNodeList itemList = doc.DocumentElement.SelectNodes("Role");
foreach (XmlNode currNode in itemList)
{
string s = currNode.Attributes["Name"].Value.ToString();
Console.WriteLine("Permission Level: "+s);
}
}
Console.WriteLine("--------------------------------------");
}
}
}
}
}
Code below fails with exception "Property ListItemAllFields not found" as shown below on clientContext.ExecuteQuery()
private void ListSPPermissions3()
{
string sSite = "http://server2012a/sites/TestDocs/";
using (var clientContext = new ClientContext(sSite))
{
Site site = clientContext.Site;
Web web = clientContext.Web;
List list = web.Lists.GetByTitle("Shared Documents");
clientContext.Load(list.RootFolder.Folders); //load the client object list.RootFolder.Folders
clientContext.ExecuteQuery();
int FolderCount = list.RootFolder.Folders.Count;
foreach (Microsoft.SharePoint.Client.Folder folder in list.RootFolder.Folders)
{
RoleAssignmentCollection roleAssCol = folder.ListItemAllFields.RoleAssignments;
clientContext.Load(roleAssCol);
clientContext.ExecuteQuery(); // Exception property ListItemAllFields not found
foreach (RoleAssignment roleAss in roleAssCol)
{
Console.WriteLine(roleAss.Member.Title);
}
}
}
}

There are at least the following flaws with your example:
The specified example only allows to retrieve folders one level
beneath:
clientContext.Load(list.RootFolder.Folders); //load the client object list.RootFolder.Folders
clientContext.ExecuteQuery();
Role assignments could be retrieved using a single request to the
server (see the below example), hence there is no need to perform
multiple requests to retrieve role assignments per folder.
Folder.ListItemAllFields property is supported only in SharePoint
2013 CSOM API
Having said that i would recommend to consider the following example to enumerate folder permissions:
using (var ctx = new ClientContext(webUri))
{
var list = ctx.Web.Lists.GetByTitle(listTitle);
var items = list.GetItems(CamlQuery.CreateAllFoldersQuery());
ctx.Load(items, icol => icol.Include(i => i.RoleAssignments.Include( ra => ra.Member), i => i.DisplayName ));
ctx.ExecuteQuery();
foreach (var item in items)
{
Console.WriteLine("{0} folder permissions",item.DisplayName);
foreach (var assignment in item.RoleAssignments)
{
Console.WriteLine(assignment.Member.Title);
}
}
}

The error is probably because the SharePoint SDK you are using is pre-SharePoint 2013 CSOM.
Folder.ListItemAllFields
property is available in SharePoint 2013 CSOM
For SharePoint 2010, you have to access folders like list items
ListItem item = context.Web.Lists.GetByTitle("Shared Documents").GetItemById(<item ID>);
and then get the RoleAssignments for the items.

Adding to Sharepoint List as Anonymous user

right now, I'm using the SPSecurity.RunWithElevatedPrivileges method to let anonymous users add list items to a list. What i would like to do is make a general method that takes a Site, List and List item as an argument and adds the item to the list being passed. Right now I have :
public static void AddItemElevated(Guid siteID, SPListItem item, SPList list)
{
SPSite mySite = SPContext.Current.Site;
SPList myList = WPToolKit.GetSPList(mySite, listPath);
SPWeb myWeb = myList.ParentWeb;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite eleSite = new SPSite(mySite.ID))
{
using (SPWeb eleWeb = eleSite.OpenWeb(myWeb.ID))
{
eleWeb.AllowUnsafeUpdates = true;
SPList eleList = eleWeb.Lists[myList.Title];
SPListItem itemToAdd = list.Items.Add();
itemToAdd = item;
itemToAdd.Update();
eleWeb.AllowUnsafeUpdates = false;
}
}
});
}
The problem is that 'item' gets initialized outside of the elevated privileges so when 'itemToAdd' is set to 'item' it loses its elevated privileges, causing the code to break at 'item.update()' if used my an non-privileged user.
Any Thoughts?

The problem could be because you are passing in your list. Try just passing in the list name and then grabbing the list from the elevated web like this:
public static void AddItemElevated(SPListItem itemToAdd, string listName)
{
SPWeb web = SPContext.Current.Web;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite elevatedSite = new SPSite(web.Url))
{
using (SPWeb elevatedWeb = elevatedSite.OpenWeb())
{
elevatedWeb.AllowUnsafeUpdates = true;
SPList list = elevatedWeb.Lists[listName];
SPListItem item = list.Items.Add();
item = itemToAdd;
item.Update();
elevatedWeb.AllowUnsafeUpdates = false;
}
}
}
}

Following line itemToAdd = item; does something strange - you adding item to one list (with list.Items.Add() ) but updating item from another list/location (one that comes as argument).
Not sure what you actually want, but maybe you want to co copy all fileds from item to itemToAdd. Consider in this case to pass fieldName/value pairs as argument to make it clear that you are adding new item with given values.
Note, that anonymous users are able to add items to lists that explicitly allow it.

I haven't tried it but possibly this could help - http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.splistitem.copyto.aspx
Regards,
Nitin Rastogi

If item is coming from an SPList.AddItem() method, the splist instance must be get from an elevated web. otherwise this code will always break for anonymous users.
or you can allow anonymous user to add item to list, so you won't need running the code with elevated privileges.
by the way, itemToAdd = item; is not a correct way of setting the new added item to an old instance.

How to get list of Folders and subfolders created in "List"?

I am trying to access list of all Sites and Lists from Sharepoint 2007 using c#.
I am able to get Name of sites and list.
But unable to get folders and subfolders of particular list.
And Document uploaded in particular Folder.
I am using Web Services (no dependency of Microsoft.Sharepoint.dll)
Regards,
Jene

Try this:
using(SPSite site = new SPSite("http://yoursite"))
using(SPWeb web = site.OpenWeb())
{
SPList list = web.Lists["your_doclib"];
SPQuery query = new SPQuery()
{
Query = "",
ViewAttributes = #"Scope=""RecursiveAll"""
};
SPListItemCollection itens = list.GetItems(query);
foreach (SPListItem item in itens)
{
Console.ForegroundColor =
item.FileSystemObjectType == SPFileSystemObjectType.Folder ?
ConsoleColor.White : ConsoleColor.Gray;
Console.WriteLine("{0}", item.Name);
}
}

SharePoint : How can I programmatically add items to a custom list instance

I am really looking for either a small code snippet.
I have a C# console app that I will use to somehow add list items to my custom list. I have created a custom content type too. So not sure if I need to create an C# class from this content type too. Perhaps not.

I think these both blog post should help you solving your problem.
http://blog.the-dargans.co.uk/2007/04/programmatically-adding-items-to.html
http://asadewa.wordpress.com/2007/11/19/adding-a-custom-content-type-specific-item-on-a-sharepoint-list/
Short walk through:
Get a instance of the list you want to add the item to.
Add a new item to the list:
SPListItem newItem = list.AddItem();
To bind you new item to a content type you have to set the content type id for the new item:
newItem["ContentTypeId"] = <Id of the content type>;
Set the fields specified within your content type.
Commit your changes:
newItem.Update();

To put it simple you will need to follow the step.
You need to reference the Microsoft.SharePoint.dll to the application.
Assuming the List Name is Test and it has only one Field "Title" here is the code.
using (SPSite oSite=new SPSite("http://mysharepoint"))
{
using (SPWeb oWeb=oSite.RootWeb)
{
SPList oList = oWeb.Lists["Test"];
SPListItem oSPListItem = oList.Items.Add();
oSPListItem["Title"] = "Hello SharePoint";
oSPListItem.Update();
}
}
Note that you need to run this application in the Same server where the SharePoint is installed.
You dont need to create a Custom Class for Custom Content Type

You can create an item in your custom SharePoint list doing something like this:
using (SPSite site = new SPSite("http://sharepoint"))
{
using (SPWeb web = site.RootWeb)
{
SPList list = web.Lists["My List"];
SPListItem listItem = list.AddItem();
listItem["Title"] = "The Title";
listItem["CustomColumn"] = "I am custom";
listItem.Update();
}
}
Using list.AddItem() should save the lists items being enumerated.

This is how it was on the Microsoft site, with me just tweaking the SPSite and SPWeb since these might vary from environment to environment and it helps not to have to hard-code these:
using (SPSite oSiteCollection = new SPSite(SPContext.Current.Site.Url))
{
using (SPWeb oWeb = oSiteCollection.OpenWeb(SPContext.Current.Web))
{
SPList oList = oWeb.Lists["Announcements"];
// You may also use
// SPList oList = oWeb.GetList("/Lists/Announcements");
// to avoid querying all of the sites' lists
SPListItem oListItem = oList.Items.Add();
oListItem["Title"] = "My Item";
oListItem["Created"] = new DateTime(2004, 1, 23);
oListItem["Modified"] = new DateTime(2005, 10, 1);
oListItem["Author"] = 3;
oListItem["Editor"] = 3;
oListItem.Update();
}
}
Source:
SPListItemClass (Microsoft.SharePoint). (2012). Retrieved February 22, 2012, from http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.splistitem.aspx.

I had a similar problem and was able to solve it by following the below approach (similar to other answers but needed credentials too),
1- add Microsoft.SharePointOnline.CSOM by tools->NuGet Package Manager->Manage NuGet Packages for solution->Browse-> select and install
2- Add "using Microsoft.SharePoint.Client; "
then the below code
string siteUrl = "https://yourcompany.sharepoint.com/sites/Yoursite";
SecureString passWord = new SecureString();
var password = "Your password here";
var securePassword = new SecureString();
foreach (char c in password)
{
securePassword.AppendChar(c);
}
ClientContext clientContext = new ClientContext(siteUrl);
clientContext.Credentials = new SharePointOnlineCredentials("Username#domain.nz", securePassword);/*passWord*/
List oList = clientContext.Web.Lists.GetByTitle("The name of your list here");
ListItemCreationInformation itemCreateInfo = new ListItemCreationInformation();
ListItem oListItem = oList.AddItem(itemCreateInfo);
oListItem["PK"] = "1";
oListItem["Precinct"] = "Mangere";
oListItem["Title"] = "Innovation";
oListItem["Project_x0020_Name"] = "test from C#";
oListItem["Project_x0020_ID"] = "ID_123_from C#";
oListItem["Project_x0020_start_x0020_date"] = "2020-05-01 01:01:01";
oListItem.Update();
clientContext.ExecuteQuery();
Remember that your fields may be different with what you see, for example in my list I see "Project Name", while the actual value is "Project_x0020_ID". How to get these values (i.e. internal filed values)?
A few approaches:
1- Use MS flow and see them
2- https://mstechtalk.com/check-column-internal-name-sharepoint-list/ or https://sharepoint.stackexchange.com/questions/787/finding-the-internal-name-and-display-name-for-a-list-column
3- Use a C# reader and read your sharepoint list
The rest of operations (update/delete):
https://learn.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/ee539976(v%3Doffice.14)