律师同志:我今年70多岁了,老伴早年去世。这些年来,我儿子对我很孝敬,但是儿媳不孝,常以恶劣的态度对待我。我想立一个遗嘱,在我去世以后,房屋和家产全部由儿子继承,不给儿媳一点儿。请问,我立下这样的遗嘱,将来能否有效?读者刘真刘真读者:根据我国《继承法》的规定,遗嘱继承是 Lawyer: I am more than 70 years old this year, my wife died early. My son has been very honored to me over the years, but her daughter-in-law is not filial and often treats me with a bad attitude. I want to set up a will. After I passed away, all my houses and property were inherited by my son, not to my daughter-in-law. Will I set up such a will, the future can be effective? Readers Liu true Liu true reader: According to our “law of succession”, will inheritance is