public static void AddUser(string name, DateTime birthday, string gender)
{
AnimeDataContext db = new AnimeDataContext();
User adusr = new User {Birthdate = birthday, Gender = gender, NickName = name};
db.Users.InsertOnSubmit(adusr);
db.SubmitChanges();
}
partial void UpdateUser(User instance);
partial void DeleteUser(User instance);
partial void InsertUser(User instance);
