public void UpdateUser(MembershipUser user, string[] roles)
{
using (var ts = new TransactionScope())
{
_provider.UpdateUser(user);
var existingRoles = _roleProvider.GetRolesForUser(user.UserName);
if (roles != null && roles.Length > 0)
{
var rolesToBeAdded = roles.Except(existingRoles).ToArray();
_roleProvider.AddUsersToRoles(new[] { user.UserName }, rolesToBeAdded);
}
if (existingRoles.Length > 0)
{
var rolesToBeDeleted = (roles != null ? existingRoles.Except(roles) : existingRoles).ToArray();
_roleProvider.RemoveUsersFromRoles(new[] { user.UserName }, rolesToBeDeleted);
}
ts.Complete();
}
}
