Treehouse | Community | Adding a One-to-Many Entity Relationship

🤑 Join the Treehouse affiliate program and earn 25% commission!

Join our Live Career-Building Workshop: Launch Your Tech-Adjacent Career! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

Newest
- Newest
- Active
- Unanswered
- Featured
All Topics

Gavin Johnston
9,107 Points
Why do you use a constructor in the principle with one-to-many relationships?

Posted August 8, 2022 9:14am by Gavin Johnston

Gavin Johnston
9,107 Points
1 Answer
Christopher Blanton
19,337 Points
Getting a 1520 Compile error on my Teacher.cs file

Posted October 8, 2021 3:06pm by Christopher Blanton

Christopher Blanton
19,337 Points
1 Answer
Beau Coplin
7,903 Points
What am I missing as my return type on the Teacher.cs class?

Posted May 7, 2021 5:05pm by Beau Coplin

Beau Coplin
7,903 Points
1 Answer
saikiran maddukuri
17,919 Points
i don't get it!!!

Posted August 27, 2019 11:23am by saikiran maddukuri

saikiran maddukuri
17,919 Points
1 Answer
Ar33ss Leon
4,621 Points
Should all databases attributes(data types) be put to MAX?

Posted June 5, 2019 1:48pm by Ar33ss Leon

Ar33ss Leon
4,621 Points
2 Answers
PLUS

kevin hudson
Courses Plus Student 11,987 Points
Adding data attributes

Posted May 7, 2019 5:02pm by kevin hudson

kevin hudson
Courses Plus Student 11,987 Points
1 Answer
PLUS

kevin hudson
Courses Plus Student 11,987 Points
Instructor forgot to mention this..

Posted May 7, 2019 3:28am by kevin hudson

kevin hudson
Courses Plus Student 11,987 Points
0 Answers
Dávid Molnár
27,081 Points
Entity Framework: How to give Id values uint type?

Posted February 17, 2019 2:50pm by Dávid Molnár

Dávid Molnár
27,081 Points
1 Answer
Tola Veng
23,749 Points
I was stuck in this quiz. Bummer: Did you declare the 'Course.Teacher' property with the correct type?

Posted February 3, 2019 5:19am by Tola Veng

Tola Veng
23,749 Points
1 Answer
Kevin Gates
15,053 Points
Why won't my DataBase Initializer work? (Visual Studio 2017)

Posted January 9, 2019 7:00pm by Kevin Gates

Kevin Gates
15,053 Points
3 Answers
Tracy Black
619 Points
Cant seem to place constructor in the right place

Posted November 22, 2018 2:21pm by Tracy Black

Tracy Black
619 Points
1 Answer
PLUS

Juan Ignacio Scopp
Courses Plus Student 291 Points
CREATE DATABASE failed. Some file names listed could not be created. Check related errors.

Posted November 5, 2018 9:26am by Juan Ignacio Scopp

Juan Ignacio Scopp
Courses Plus Student 291 Points
0 Answers
Andre Martins
1,629 Points
error CS1520: on "public Courses()", Return Type needed but can´t figure out why...

Posted September 29, 2018 2:25pm by Andre Martins

Andre Martins
1,629 Points
1 Answer
Samuel Zhen
33,571 Points
Why don't we need to add dbset property for Series in the context class?

Posted July 17, 2018 6:06am by Samuel Zhen

Samuel Zhen
33,571 Points
1 Answer
Chris Robles
23,611 Points
Defining A Many to Many Relationship Task 2

Posted July 6, 2018 7:41pm by Chris Robles

Chris Robles
23,611 Points
1 Answer
olu adesina
23,007 Points
why are we not creating a dbset property of type series in the context class ? entity framework

Posted June 26, 2018 5:35pm by olu adesina

olu adesina
23,007 Points
1 Answer
Balazs Peak
46,160 Points
just added [Required] annotation, as you have said in one of the previous videos, and that also made it non-nullable

Posted June 10, 2018 3:37am by Balazs Peak

Balazs Peak
46,160 Points
1 Answer
Hakim Rachidi
38,490 Points
Include()? Why?

Posted April 1, 2018 10:55pm by Hakim Rachidi

Hakim Rachidi
38,490 Points
1 Answer
Hakim Rachidi
38,490 Points
Data base still in use error

Posted April 1, 2018 6:35pm by Hakim Rachidi

Hakim Rachidi
38,490 Points
1 Answer
Marcus Stigall
13,252 Points
need help

Posted March 25, 2018 12:55pm by Marcus Stigall

Marcus Stigall
13,252 Points
2 Answers
Melissa Hardwick
18,689 Points
I'm not sure what I am doing wrong

Posted March 8, 2018 11:45pm by Melissa Hardwick

Melissa Hardwick
18,689 Points
1 Answer
Daniel Carter
19,991 Points
I don't understand why I have a compiler error.

Posted February 24, 2018 8:59pm by Daniel Carter

Daniel Carter
19,991 Points
3 Answers
Itay Tur
2,392 Points
how to use the The sql server explorer without getting an exception when running the program

Posted January 25, 2018 8:14pm by Itay Tur

Itay Tur
2,392 Points
2 Answers
PLUS

Chan Nyein Aung
Courses Plus Student 2,833 Points
Many-to-Many Relationship and Context Class

Posted December 14, 2017 10:43pm by Chan Nyein Aung

Chan Nyein Aung
Courses Plus Student 2,833 Points
1 Answer
Lee Puckett
12,539 Points
In Context.cs use the Fluent API in the OnModelCreating method to configure the CourseStudent.Grade property to have a p

Posted November 12, 2017 7:55pm by Lee Puckett

Lee Puckett
12,539 Points
4 Answers
Lee Puckett
12,539 Points
Task 3 of 3 Not sure if I am updating the correct properties.

Posted November 10, 2017 12:44pm by Lee Puckett

Lee Puckett
12,539 Points
6 Answers
Joel Brennan
18,300 Points
An unhandled exception of type 'System.InvalidOperationException' occurred in EntityFramework.SqlServer.dll

Posted October 4, 2017 10:26pm by Joel Brennan

Joel Brennan
18,300 Points
2 Answers
Dariel Urbina
5,500 Points
Bummer! Did you call the model builder's 'Entity' method?

Posted September 4, 2017 4:13am by Dariel Urbina

Dariel Urbina
5,500 Points
2 Answers
Will Anderson
28,683 Points
In ComicBookGalleryModel, adding ComicBookArtist class + changes results in numerous build errors - Help plz!

Posted August 30, 2017 8:55pm by Will Anderson

Will Anderson
28,683 Points
1 Answer
irem gürel
5,732 Points
fed up with these challenges

Posted August 29, 2017 2:42pm by irem gürel

irem gürel
5,732 Points
2 Answers

Prev Page 1 of 2 Next

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.