diff --git a/htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php b/htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php
index a37cf8e034f..fe844ea261a 100644
--- a/htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php
+++ b/htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php
@@ -17,20 +17,18 @@
  */
 
 /**
-        \file       htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php
-        \ingroup    core
-        \brief      Fichier de gestion des triggers LDAP
-		\version	$Id$
-*/
-
+ *      \file       htdocs/includes/triggers/interface_modLdap_Ldapsynchro.class.php
+ *      \ingroup    core
+ *      \brief      Fichier de gestion des triggers LDAP
+ *		\version	$Id$
+ */
 require_once (DOL_DOCUMENT_ROOT."/lib/ldap.class.php");
 
 
 /**
-        \class      InterfaceLdapsynchro
-        \brief      Classe des fonctions triggers des actions de synchro LDAP
-*/
-
+ *       \class      InterfaceLdapsynchro
+ *       \brief      Classe des fonctions triggers des actions de synchro LDAP
+ */
 class InterfaceLdapsynchro
 {
     var $db;
@@ -137,7 +135,7 @@ class InterfaceLdapsynchro
 
         		$oldinfo=$object->oldcopy->_load_ldap_info();
         		$olddn=$object->oldcopy->_load_ldap_dn($oldinfo);
-        		
+
         		// Verify if entry exist
         		$container=$object->oldcopy->_load_ldap_dn($oldinfo,1);
         		$search = "(".$object->oldcopy->_load_ldap_dn($oldinfo,2).")";
@@ -214,7 +212,7 @@ class InterfaceLdapsynchro
 
         		$oldinfo=$object->oldcopy->_load_ldap_info();
         		$olddn=$object->oldcopy->_load_ldap_dn($oldinfo);
-        		
+
         	    // Verify if entry exist
         		$container=$object->oldcopy->_load_ldap_dn($oldinfo,1);
         		$search = "(".$object->oldcopy->_load_ldap_dn($oldinfo,2).")";
@@ -284,7 +282,7 @@ class InterfaceLdapsynchro
 
         		$oldinfo=$object->oldcopy->_load_ldap_info();
         		$olddn=$object->oldcopy->_load_ldap_dn($oldinfo);
-        		
+
         		// Verify if entry exist
         		$container=$object->oldcopy->_load_ldap_dn($oldinfo,1);
         		$search = "(".$object->oldcopy->_load_ldap_dn($oldinfo,2).")";
@@ -407,7 +405,7 @@ class InterfaceLdapsynchro
 
         		$oldinfo=$object->oldcopy->_load_ldap_info();
         		$olddn=$object->oldcopy->_load_ldap_dn($oldinfo);
-        		
+
         		// Verify if entry exist
         		$container=$object->oldcopy->_load_ldap_dn($oldinfo,1);
         		$search = "(".$object->oldcopy->_load_ldap_dn($oldinfo,2).")";
diff --git a/htdocs/user.class.php b/htdocs/user.class.php
index 7e27e6ed06f..ad19fd4d5eb 100644
--- a/htdocs/user.class.php
+++ b/htdocs/user.class.php
@@ -1167,13 +1167,13 @@ class User extends CommonObject
 
 
 	/**
-	 *   \brief     	Change le mot de passe d'un utilisateur
-	 *   \param     	user             		Object user de l'utilisateur qui fait la modification
-	 *   \param     	password         		Nouveau mot de passe en clair (a generer si non communique)
+	 *  \brief     	Change le mot de passe d'un utilisateur
+	 *  \param     	user             		Object user de l'utilisateur qui fait la modification
+	 *  \param     	password         		Nouveau mot de passe en clair (a generer si non communique)
 	 *	\param		changelater				1=Change password only after clicking on confirm email
 	 *	\param		notrigger				1=Ne declenche pas les triggers
 	 *	\param		nosyncmember	        Do not synchronize linked member
-	 *   \return    	string           		If OK return clear password, 0 if no change, < 0 if error
+	 *  \return    	string           		If OK return clear password, 0 if no change, < 0 if error
 	 */
 	function setPassword($user, $password='', $changelater=0, $notrigger=0, $nosyncmember=0)
 	{
@@ -1440,7 +1440,7 @@ class User extends CommonObject
 
 
 	/**
-	 *    \brief      Ajoute l'utilisateur dans un groupe
+	 *    \brief      Add user into a group
 	 *    \param      group       id du groupe
 	 */
 	function SetInGroup($group)
@@ -1459,7 +1459,7 @@ class User extends CommonObject
 	}
 
 	/**
-	 *    \brief      Retire l'utilisateur d'un groupe
+	 *    \brief      Remove a user from a group
 	 *    \param      group       id du groupe
 	 */
 	function RemoveFromGroup($group)
diff --git a/htdocs/user/group/fiche.php b/htdocs/user/group/fiche.php
index 6d0e5c0c190..8685c91afc8 100644
--- a/htdocs/user/group/fiche.php
+++ b/htdocs/user/group/fiche.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2005      Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2005-2006 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2005-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2009 Regis Houssin        <regis@dolibarr.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -43,7 +43,7 @@ $action=isset($_GET["action"])?$_GET["action"]:$_POST["action"];
 
 
 /**
- *  Action suppression groupe
+ *  Action remove group
  */
 if ($_REQUEST["action"] == 'confirm_delete' && $_REQUEST["confirm"] == "yes")
 {
@@ -61,7 +61,7 @@ if ($_REQUEST["action"] == 'confirm_delete' && $_REQUEST["confirm"] == "yes")
 }
 
 /**
- *  Action ajout groupe
+ *  Action add group
  */
 if ($_POST["action"] == 'add')
 {
@@ -104,30 +104,62 @@ if ($_POST["action"] == 'add')
 	}
 }
 
+// Add user into group
 if ($_POST["action"] == 'adduser')
 {
-	if($caneditperms){
+	if($caneditperms)
+	{
 		if ($_POST["user"])
 		{
-			$edituser = new User($db, $_POST["user"]);
-			$edituser->SetInGroup($_GET["id"]);
+			$editgroup = new UserGroup($db);
+			$editgroup->fetch($_GET["id"]);
+			$editgroup->oldcopy=dol_clone($editgroup);
 
-			Header("Location: fiche.php?id=".$_GET["id"]);
+			$edituser = new User($db, $_POST["user"]);
+			$result=$edituser->SetInGroup($_GET["id"]);
+
+			// We reload members (list has changed)
+			$editgroup->members=$editgroup->listUsersForGroup();
+
+			// We update group to force triggers that update groups content
+			$result=$editgroup->update();
+
+			if ($result > 0)
+			{
+				header("Location: fiche.php?id=".$_GET["id"]);
+				exit;
+			}
 		}
 	}else{
 		$message = '<div class="error">'.$langs->trans('ErrorForbidden').'</div>';
 	}
 }
 
+// Remove user from group
 if ($_GET["action"] == 'removeuser')
 {
-	if($caneditperms){
+	if($caneditperms)
+	{
 		if ($_GET["user"])
 		{
+			$editgroup = new UserGroup($db);
+			$editgroup->fetch($_GET["id"]);
+			$editgroup->oldcopy=dol_clone($editgroup);
+
 			$edituser = new User($db, $_GET["user"]);
 			$edituser->RemoveFromGroup($_GET["id"]);
 
-			Header("Location: fiche.php?id=".$_GET["id"]);
+			// We reload members (list has changed)
+			$editgroup->members=$editgroup->listUsersForGroup();
+
+			// We update group to force triggers that update groups content
+			$result=$editgroup->update();
+
+			if ($result > 0)
+			{
+				header("Location: fiche.php?id=".$_GET["id"]);
+				exit;
+			}
 		}
 	}else{
 		$message = '<div class="error">'.$langs->trans('ErrorForbidden').'</div>';
diff --git a/htdocs/usergroup.class.php b/htdocs/usergroup.class.php
index 5b0541e3eac..9e1b9ed0959 100644
--- a/htdocs/usergroup.class.php
+++ b/htdocs/usergroup.class.php
@@ -1,6 +1,6 @@
 <?php
-/* Copyright (c) 2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (c) 2005 Laurent Destailleur  <eldy@users.sourceforge.net>
+/* Copyright (c) 2005      Rodolphe Quiedeville <rodolphe@quiedeville.org>
+ * Copyright (c) 2005-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -95,6 +95,8 @@ class UserGroup extends CommonObject
 				$this->datec = $obj->datec;
 				$this->datem = $obj->datem;
 
+				$this->members=$this->listUsersForGroup();
+
 				// Sav current LDAP Current DN
 				//$this->ldap_dn = $this->_load_ldap_dn($this->_load_ldap_info(),0);
 			}
@@ -111,7 +113,7 @@ class UserGroup extends CommonObject
 
 
 	/**
-	 * 	\brief		Return array of groups for a particular user
+	 * 	\brief		Return array of groups objects for a particular user
 	 *	\param		usertosearch
 	 * 	\return		array of groups objects
 	 */
@@ -119,7 +121,7 @@ class UserGroup extends CommonObject
 	{
 		$ret=array();
 
-		$sql = "SELECT g.rowid, g.nom, g.note, g.datec, tms as datem";
+		$sql = "SELECT g.rowid, g.nom, g.note, g.datec, g.tms as datem";
 		$sql.= " FROM ".MAIN_DB_PREFIX."usergroup as g,";
 		$sql.= " ".MAIN_DB_PREFIX."usergroup_user as ug";
 		$sql.= " WHERE ug.fk_usergroup = g.rowid";
@@ -152,6 +154,39 @@ class UserGroup extends CommonObject
 		return $ret;
 	}
 
+	/**
+	 * 	\brief		Return array of users id for group
+	 * 	\return		array of users id
+	 */
+	function listUsersForGroup()
+	{
+		$ret=array();
+
+		$sql = "SELECT u.rowid, u.login, u.name, u.firstname";
+		$sql.= " FROM ".MAIN_DB_PREFIX."user as u,";
+		$sql.= " ".MAIN_DB_PREFIX."usergroup_user as ug";
+		$sql.= " WHERE ug.fk_user = u.rowid";
+		$sql.= " AND ug.fk_usergroup = ".$this->id;
+
+		dol_syslog("UserGroup::listUsersForGroup sql=".$sql,LOG_DEBUG);
+		$result = $this->db->query($sql);
+		if ($result)
+		{
+			while ($obj = $this->db->fetch_object($result))
+			{
+				$ret[]=$obj->rowid;
+			}
+			$this->db->free($result);
+		}
+		else
+		{
+			$this->error=$this->db->lasterror();
+			dol_syslog("UserGroup::listUsersForGroup ".$this->error, LOG_ERR);
+			return -1;
+		}
+		return $ret;
+	}
+
 	/**
 	 *    \brief      Ajoute un droit a l'utilisateur
 	 *    \param      rid         id du droit a ajouter
@@ -483,9 +518,9 @@ class UserGroup extends CommonObject
 
 
 	/**
-	 *		\brief      Mise a jour en base d'un utilisateur
-	 *      	\param      notrigger	    0=non, 1=oui
-	 *    	\return     int				<0 si KO, >=0 si OK
+	 *		\brief      Update group into database
+	 *      \param      notrigger	    0=trigers enabled, 1=trigers disabled
+	 *    	\return     int				<0 if KO, >=0 if OK
 	 */
 	function update($notrigger=0)
 	{
@@ -502,27 +537,23 @@ class UserGroup extends CommonObject
 		$resql = $this->db->query($sql);
 		if ($resql)
 		{
-			if ($this->db->affected_rows($resql))
+			if (!$error && ! $notrigger)
 			{
-
-				if (!$error && ! $notrigger)
-				{
-					// Appel des triggers
-					include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
-					$interface=new Interfaces($this->db);
-					$result=$interface->run_triggers('GROUP_MODIFY',$this,$user,$langs,$conf);
-					if ($result < 0) { $error++; $this->errors=$interface->errors; }
-					// Fin appel triggers
-				}
-
-				return 1;
+				// Appel des triggers
+				include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
+				$interface=new Interfaces($this->db);
+				$result=$interface->run_triggers('GROUP_MODIFY',$this,$user,$langs,$conf);
+				if ($result < 0) { $error++; $this->errors=$interface->errors; }
+				// Fin appel triggers
 			}
-			return 0;
+
+			if (! $error) return 1;
+			else return -$error;
 		}
 		else
 		{
 			dol_print_error($this->db);
-			return -2;
+			return -1;
 		}
 	}