private static void UpdateStates(StateManegmentContext ctx)
{
Person person = ctx.Person.FirstOrDefault();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
Console.WriteLine("");
person.FirstName = "Nika2";
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
ctx.Entry(person).Property(c => c.FirstName).IsModified = true;
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
Console.WriteLine("");
ctx.Person.Update(person);
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
Console.WriteLine("");
ctx.SaveChanges();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
}
private static void AddPerson01(StateManegmentContext ctx)
{
Person person = new Person
{
FirstName = "Parisa",
LasttName = "Fulady"
};
JobData jobData = new JobData
{
JobTitile = "Programmer"
};
person.JobData = jobData;
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
ctx.Add(person);
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
ctx.SaveChanges();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
}
private static void JobFromDB(StateManegmentContext ctx)
{
Person person = new Person
{
FirstName = "Bita3",
LasttName = "Tamaddoni3"
};
JobData jobData = ctx.JobData.FirstOrDefault();
person.JobData = jobData;
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
ctx.Add(person);
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
ctx.SaveChanges();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
}
private static void UpdateCustomState(StateManegmentContext ctx, Person person, bool firstName)
{
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
Console.WriteLine("LasttName:" + ctx.Entry(person).Property(c => c.LasttName).IsModified);
Console.WriteLine("");
//firstName.IsModified = true;
person.FirstName = "Nika5";
//ctx.Person.Update(person);
ctx.SaveChanges();
Console.WriteLine("");
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("FirstName:" + ctx.Entry(person).Property(c => c.FirstName).IsModified);
Console.WriteLine("LasttName:" + ctx.Entry(person).Property(c => c.LasttName).IsModified);
}
static void Main(string[] args)
{
var ctx = new StateManegmentContext();
var ctx2 = new StateManegmentContext();
var person = ctx.Person.Include(c => c.JobData).Include(c => c.Contacts).FirstOrDefault();
var job = ctx.JobData.Include(c => c.Person).FirstOrDefault();
ctx2.ChangeTracker.TrackGraph(person, c =>
{
switch (c.Entry.Entity)
{
case Person p:
ctx2.Entry(p).State = EntityState.Unchanged;
Console.WriteLine("Person:" + p.PersonID);
break;
case JobData job:
ctx2.Entry(job).State = EntityState.Unchanged;
Console.WriteLine("job:" + job.JobDataId);
break;
case Contacts contacts:
ctx2.Entry(contacts).State = EntityState.Unchanged;
Console.WriteLine("contacts:" + contacts.ContactsID);
break;
}
});
Console.WriteLine("no thing");
Console.WriteLine("");
//var FirstName = ctx.Entry(person).Property(c => c.FirstName).IsModified = true;
//UpdateCustomState(ctx, person, FirstName);
//UpdateStates(ctx);
//Delete02(ctx, person);
//DeletePerson(ctx);
//PersonFromDB(ctx);
//JobFromDB(ctx);
//AddPerson01(ctx);
Console.ReadLine();
}
private static void PersonFromDB(StateManegmentContext ctx)
{
Person person = ctx.Person.FirstOrDefault();
JobData jobData = new JobData
{
JobTitile = "Programmer7"
};
person.JobData = jobData;
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
ctx.SaveChanges();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
}
private static void Delete02(StateManegmentContext ctx, Person person)
{
JobData jobData = new JobData
{
JobTitile = "Programmer7"
};
person.JobData = jobData;
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
ctx.Person.Remove(person);
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
ctx.SaveChanges();
Console.WriteLine("person: " + ctx.Entry(person).State);
Console.WriteLine("jobData: " + ctx.Entry(jobData).State);
Console.WriteLine("");
}