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Using C# SSOM - server object model

Equivalent CSOM C# code is here :Using C# CSOM - client object model:

ClientContext client = new ClientContext(“http://SiteUrl”);

client.ExecuteQuery();

Web website = client.Web;

client.Load(website, w => w.AllProperties, w => w.SiteGroups, w => w.SiteUserInfoList, w => w.Webs,w => w.Title);

client.ExecuteQuery();

GroupCollection groupCollection = website.SiteGroups;

client.Load(groupCollection, groups => groups.Include(grps => grps.Users, grps => grps.Title));

client.ExecuteQuery();

User user;

foreach (Group group in groupCollection)

{

   if (group.Title.Equals(“GroupName”))

   {

      UserCreationInformation userInfo = new UserCreationInformation();

      userInfo.LoginName = “UserName”;

             

      if (“Add”)

      {

         user = group.Users.Add(userInfo);

         group.Users.AddUser(user);

       }

       else if (“Remove”)

       {

         user = group.Users.GetByLoginName(“UserName”);

         group.Users.Remove(user);

        }

        group.Update();

        website.Update();

        client.ExecuteQuery();

       

     }

  }

Code reference is here:

https://www.c-sharpcorner.com/blogs/add-and-remove-user-into-sharepoint-group-using-client-object-model1Add and remove User into SharePoint group Using Client Object Model

Equivalent CSOM C# code is here :

https://www.c-sharpcorner.com/blogs/add-and-remove-user-into-sharepoint-group-using-client-object-model1

Using C# SSOM - server object model

Using C# CSOM - client object model:

ClientContext client = new ClientContext(“http://SiteUrl”);

client.ExecuteQuery();

Web website = client.Web;

client.Load(website, w => w.AllProperties, w => w.SiteGroups, w => w.SiteUserInfoList, w => w.Webs,w => w.Title);

client.ExecuteQuery();

GroupCollection groupCollection = website.SiteGroups;

client.Load(groupCollection, groups => groups.Include(grps => grps.Users, grps => grps.Title));

client.ExecuteQuery();

User user;

foreach (Group group in groupCollection)

{

   if (group.Title.Equals(“GroupName”))

   {

      UserCreationInformation userInfo = new UserCreationInformation();

      userInfo.LoginName = “UserName”;

             

      if (“Add”)

      {

         user = group.Users.Add(userInfo);

         group.Users.AddUser(user);

       }

       else if (“Remove”)

       {

         user = group.Users.GetByLoginName(“UserName”);

         group.Users.Remove(user);

        }

        group.Update();

        website.Update();

        client.ExecuteQuery();

       

     }

  }

Code reference is here:

Add and remove User into SharePoint group Using Client Object Model

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Source Link
SP 2022
SP 2022
  • 4.1k
  • 3
  • 18
  • 41
Source Link
SP 2022
SP 2022
  • 4.1k
  • 3
  • 18
  • 41

Here is the C# code using this we can add or remove user from SharePoint group:

SPWebApplication g_WebApp;
SPWeb g_Web;
  try

            {

                SPSecurity.RunWithElevatedPrivileges(delegate()

                {

                    SPSite site = new SPSite(“<siteUrl>”);

 

                    //siteName = "Payroll";

                    g_Web = site.OpenWeb(“<siteName>”);

                    g_WebApp = g_Web.Site.WebApplication;

                    g_WebApp.FormDigestSettings.Enabled = true;

                    g_Web.AllowUnsafeUpdates = true;

                    SPUser user = g_Web.AllUsers[“<username>”];

                    SPMember member = g_Web.SiteUsers[“<requestedBy>”];

 

                    if (user != null)

                    {

                        SPGroupCollection grpCollection = g_Web.SiteGroups;

 

                        bool isExists = IsGroupExists(grpCollection,

                                                      “GroupName”);

 

                        if (!isExists && “Add” == Action.Add)

                        {

                           g_Web.SiteGroups.Add(“GroupName”, member, user,

                                                        Constants.Messages.DESCRIPTION);

 

                           g_Web.AssociatedGroups.Add(g_Web.SiteGroups

                                                      [“GroupName”]);

 

                          g_Web.Update();

                          SPRoleAssignment assignment = new SPRoleAssignment(

                                                                  g_Web.SiteGroups[“GroupName”]);

                          SPRoleDefinition _role = g_Web.RoleDefinitions

                                                                 [Constants.PermissionLevel.CONTRIBUTE];

                         assignment.RoleDefinitionBindings.Add(_role);

                         g_Web.RoleAssignments.Add(assignment);

                      }

                      else

                      {

                        SPGroup group = g_Web.SiteGroups[“GroupName”];

 

                        if (group != null)

                        {

                           if (“Add”.Equals(Action.Add))

                           {

                               group.AddUser(user);

                           }

                          else if (“Remove”.Equals(Action.Remove))

                          {

                               group.RemoveUser(user);

                           }

                           group.Update();

                         }

                      }

                   }

                 }

               }

               g_Web.Update();

               g_WebApp.FormDigestSettings.Enabled = true;

             });

            }

            catch

            {

                throw;

            }

            finally

            {

                g_Web.AllowUnsafeUpdates = false;

            }

       


private bool IsGroupExists(SPGroupCollection grpCollection,

                                    string groupName)

        {

            bool isExists = false;

            foreach (SPGroup group in grpCollection)

            {

                if (group.Name.Equals(groupName))

                {

                    isExists = true;

                    break;

                }

            }

 

            return isExists;

        }

 

    } 

   

    public enum Action

    {

        Add,

        Remove

    }

Reference URL:

Add and Remove User into SharePoint group using SharePoint Server Object Model