peoplePick1.CommaSeparatedAccounts = SPContext.Current.Web.CurrentUser.Name;
SPListItem item = listItems.Add();... + übrige notwendige listitem-FeldZuweisungenstring[] UsersSeperated = peoplePick1.CommaSeparatedAccounts.Split(',');SPFieldUserValueCollection UserCollection = new SPFieldUserValueCollection();foreach (string UserSeperated in UsersSeperated){ myweb.EnsureUser(UserSeperated); SPUser User = mySite.SiteUsers[UserSeperated]; SPFieldUserValue UserName = new SPFieldUserValue(myweb, User.ID, User.LoginName); UserCollection.Add(UserName);}item["Mitarbeiter"] = UserCollection;item.Update();