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Old January 16th, 2006, 09:13 AM
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Default Add User to group - Active Directory

I wanted to add a user to group .
But its throwing error like “Exception has been thrown by the target of an invocation.”

anybody has any idea why it is?


this is my code

public static void AddUserToGroup()
        {
            string sDomainName =
"LDAP://ADServer/DC=ADServer,DC=tech";
            ActiveDirectoryAccess objAD = new
ActiveDirectoryAccess(sDomainName);
            DirectoryEntry de = new
DirectoryEntry(sDomainName);

            DirectoryEntry deUser =
objAD.GetDirectoryUserEntry("anurag");
            string GroupName = "Now";
            DirectorySearcher deSearch = new
DirectorySearcher();
            deSearch.SearchRoot = de;
            deSearch.Filter = "(&(objectClass=group)
(cn=" + GroupName + "))";
            SearchResultCollection results =
deSearch.FindAll();

            bool isGroupMember = false;
            if (results.Count > 0)
            {
                DirectoryEntry group =
objAD.GetDirectoryGroupEntry(results[0].Path);

                object members =
group.Invoke("Members", null);
                foreach (object member in
(IEnumerable)members)
                {
                    DirectoryEntry x = new
DirectoryEntry(member);
                    if (x.Name != deUser.Name)
                    {
                        isGroupMember = false;
                    }
                    else
                    {
                        isGroupMember = true;
                        break;
                    }
                }

                if (!isGroupMember)
                {
                    group.Invoke("Add", new object[] {
deUser.Path.ToString() });
                }

                group.Close();
            }
            return;

        }


Rgs,
Anurag


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