In this blog, you will see how to set the group as an owner for all the groups in a SharePoint Online site, using CSOM. Please refer to my previous article Connect To SharePoint 2013 Online Using CSOM With Console Application

Code Snippet

  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Net;
  5. using System.Security;
  6. using System.Text;
  7. using System.Threading.Tasks;
  8. using Microsoft.SharePoint.Client;
  10. namespace UpdateGroupOwners
  11. {
  12. class Program
  13. {
  14. static void Main(string[] args)
  15. {
  16. string userName = "[email protected]";
  17. string siteURL = "https://c986.sharepoint.com/sites/Vijai";
  18. string ownerGroupName = "Site Owners";
  19. Console.WriteLine("Enter your password.");
  20. SecureString password = GetPassword();
  22. // ClienContext - Get the context for the SharePoint Online Site
  23. using (var clientContext = new ClientContext(siteURL))
  24. {
  25. // SharePoint Online Credentials
  26. clientContext.Credentials = new SharePointOnlineCredentials(userName, password);
  28. // Get the SharePoint web
  29. Web web = clientContext.Web;
  31. // Get all the site groups
  32. GroupCollection groupColl = web.SiteGroups;
  34. // Get the group name which has to be set as owner to all the groups
  35. Group ownerGroup = web.SiteGroups.GetByName(ownerGroupName);
  37. // Load the site group properties
  38. clientContext.Load(groupColl);
  40. // Execute the query to the server.
  41. clientContext.ExecuteQuery();
  43. // Loop through all the site groups
  44. foreach (Group group in groupColl)
  45. {
  46. // Display the group title
  47. Console.WriteLine("GroupName: " + group.Title + "-- GroupOwnerTitle: " + group.OwnerTitle);
  49. // Update the owner
  50. group.Owner = ownerGroup;
  51. group.Update();
  52. clientContext.Load(group);
  54. // Execute the query to the server.
  55. clientContext.ExecuteQuery();
  57. // Display the updated group owner title
  58. Console.WriteLine("UpdatedOwnerTitle: " + group.OwnerTitle);
  59. }
  60. Console.ReadLine();
  61. }
  62. }
  64. private static SecureString GetPassword()
  65. {
  66. ConsoleKeyInfo info;
  67. //Get the user's password as a SecureString
  68. SecureString securePassword = new SecureString();
  69. do
  70. {
  71. info = Console.ReadKey(true);
  72. if (info.Key != ConsoleKey.Enter)
  73. {
  74. securePassword.AppendChar(info.KeyChar);
  75. }
  76. }
  77. while (info.Key != ConsoleKey.Enter);
  78. return securePassword;
  79. }
  80. }
  81. }