private static List <Person> ReadFile(string path)
{
List <Person> personsDeserialize = new List <Person>();
if (fileExist || null != (List <Person>)SaveReadToFile.Deserialize(path))
{
fileExist = true;
personsDeserialize = (List <Person>)SaveReadToFile.Deserialize(path);
}
//if (null != (List<Person>)SaveReadToFile.Deserialize(path))
//{
// personsDeserialize = (List<Person>)SaveReadToFile.Deserialize(path);
//}
return(personsDeserialize);
}
public void Create(Person person)
{
persons = ReadFile("MyFile1.dat");
if (person == null)
{
throw new ArgumentNullException("No Data");
}
if (persons.Count > 0)
{
nextId = persons.Max(d => d.Id);
nextId++;
}
person.Id = nextId;
persons.Add(person);
SaveReadToFile.Serialize(persons, "MyFile1.dat");
}
public bool Delete(Person person)
{
bool delateSuccess = false;
persons = ReadFile("MyFile1.dat");
try
{
persons.RemoveAll(p => p.Id == person.Id);
SaveReadToFile.Serialize(persons, "MyFile1.dat");
delateSuccess = true;
}
catch
{
throw new EntryPointNotFoundException();
}
return(delateSuccess);
}
public bool Update(Person person)
{
persons = ReadFile("MyFile1.dat");
bool updateSuccess = false;
if (person == null)
{
throw new ArgumentNullException("No data");
}
int index = persons.FindIndex(p => p.Id == person.Id);
if (index == -1)
{
updateSuccess = false;
}
else
{
persons.RemoveAt(index);
persons.Add(person);
SaveReadToFile.Serialize(persons, "MyFile1.dat");
}
return(updateSuccess);
}