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How To: Add a permission group in the document library's folders

This is the snippet which will add a permission group in the document library’s folders.

    1:  using System;
    2:  using System.Collections.Generic;
    3:  using System.Text;
    4:  using Microsoft.SharePoint;
    5:   
    6:  namespace ConsoleApplication1
    7:  {
    8:      class Program
    9:      {
   10:          static void Main(string[] args)
   11:          {
   12:              Console.WriteLine("Enter your site URL");
   13:              string strSiteName = Console.ReadLine();
   14:   
   15:              Console.WriteLine("Enter your document library name");
   16:              string strDocumentLibrary = Console.ReadLine();
   17:   
   18:              Console.WriteLine("Enter your group name");
   19:              string strGroup = Console.ReadLine();
   20:   
   21:              Assign(strSiteName, strDocumentLibrary, strGroup);
   22:   
   23:              Console.WriteLine("Done!");
   24:              Console.ReadLine();
   25:          }
   26:   
   27:          public static void Assign(string strSiteName, string strDocumentLibrary, string strGroup)
   28:          {
   29:              SPSite WebApp = new SPSite(strSiteName);
   30:              SPWeb Site = WebApp.OpenWeb();
   31:              SPList list = Site.Lists[strDocumentLibrary];
   32:              SPContentTypeCollection oContentTypes = list.ContentTypes;
   33:              String url = list.RootFolder.ServerRelativeUrl.ToString();
   34:   
   35:              foreach (SPListItem folder in list.Folders)
   36:              {
   37:                  WebApp.AllowUnsafeUpdates = true;
   38:                  Site.AllowUnsafeUpdates = true;
   39:   
   40:                  SPRoleDefinitionCollection roleDefinitions = Site.RoleDefinitions;
   41:                  SPRoleAssignmentCollection roleAssignments = folder.RoleAssignments;
   42:   
   43:                  SPGroup grp = Site.Groups[strGroup];
   44:                  SPRoleAssignment roleAssignment = new SPRoleAssignment(grp);
   45:                  SPRoleDefinitionBindingCollection roleDefBindings = roleAssignment.RoleDefinitionBindings;
   46:   
   47:                  roleDefBindings.Add(roleDefinitions["Contribute"]);
   48:                  roleAssignments.Add(roleAssignment);
   49:   
   50:                  WebApp.AllowUnsafeUpdates = false;
   51:                  Site.AllowUnsafeUpdates = false;
   52:              }
   53:              Site.Close();
   54:              WebApp.Close();
   55:              Site.Dispose();
   56:              WebApp.Dispose();
   57:          }
   58:      }
   59:  }

I have tested this code for a folder “test12” in “RFC” document library. The permission group which I added is “test1”.

Result

clip_image001

 

KEYWORDS:

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Permission inheritance, adding SharePoint group at each folder level in a document library