public bool add(Person person, out string message)
{
message = "";
bool issucess = false;
if (person.LastName == "")
{
message = "LastName不能为空";
}
else if (person.FirstName == "")
{
message = "FirstName不能为空";
}
else
{
persondao.add(person);
issucess = true;
message = "添加成功";
}
return(issucess);
}
