public void CallbackMethod(IAsyncResult ar)
{
AsyncResult result = (AsyncResult)ar;
AsyncMethodCaller caller = (AsyncMethodCaller)result.AsyncDelegate;
_ldapConnectionUsers = caller.EndInvoke(result);
string distinguishedUserName = LdapHelper.GetCurrentUser(_ldapConnectionUsers, currentDomain);
LdapHelper.SetLDAPConnection(_ldapConnectionUsers);
LdapHelper.GetLdapGroupMembers("RG CN BSCE ALL");
//LdapHelper.GetLdapGroupMembers("RG IN SL Siemens Learning Manager");
//LdapHelper.GetLdapGroupMembers("RG IN STS BLR Bangalore Group2");
// LdapHelper.GetLdapGroupMembers("RG IN STS SPIRIDON SAP USERS");
//LdapHelper.GetLdapGroupMembers("DF FA SE DS FTH BR (IMD)");
//Get parent groups
SearchRequest searchRequest = GetSearchQuery(distinguishedUserName);
GetGroups(searchRequest);
}