public string DeleteADAccountOU(string commonName, string ouName)

{

DataTable dt = new DataTable();

commonName = "test1";

ouName = "Office365Users";//根组织名称

DirectoryEntry adRoot = GetDirectoryObject(); //new DirectoryEntry("LDAP://" + domainName, adAdmin, password, AuthenticationTypes.Secure);

DirectoryEntry ou = adRoot.Children.Find("OU=" + ouName);

DirectorySearcher mySearcher = new DirectorySearcher(ou);

// mySearcher.Filter = ("(objectClass=user)");

// mySearcher.Filter = ("(&(objectClass=user)(cn=" + commonName + "))"); //user Represents a user, the group represents a set of

/*******************/

// commonName = "group2";

// mySearcher.Filter = ("(&(objectCategory=group)(cn=" + commonName + "))");

/*****************/

commonName = "Beijing";//二级组织名称

mySearcher.Filter = ("(&(objectClass=organizationalUnit)(OU=" + commonName + "))");

/***组内删除****/

SearchResult sr = mySearcher.FindOne();

DirectoryEntry userEntry = sr.GetDirectoryEntry();

// string nameItem = userEntry.Properties["Name"][0].ToString();

/*直接删除**/

// ou.Children.Remove(userEntry);

// ou.CommitChanges();

// ou.Close();

/*******************/

/***组内每个成员访问*****/

string commonNameG = "test11";//查beijing组织内用户名是test11

DirectorySearcher myGroupSearcher = new DirectorySearcher(userEntry);

myGroupSearcher.Filter = ("(&(objectClass=user)(cn=" + commonNameG + "))");

SearchResult srG = myGroupSearcher.FindOne();

DirectoryEntry userEntryG = srG.GetDirectoryEntry();

string nameItem = userEntryG.Properties["Name"][].ToString();

userEntry.Children.Remove(userEntryG);

userEntry.CommitChanges();

userEntry.Close();

}