• Home
  • Free Trial
  • Sign In
  • Techdegree
  • Tracks
  • Library
  • Community
  • Support
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • 21st Century Skills
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Go
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • Ruby
      • • Security
  • saikiran maddukuri
    saikiran maddukuri
    17,919 Points

    ComicBookGalleryModel.ComicBook: : EntityType 'ComicBook' has no key defined. Defi

    Posted August 24, 2019 10:28am by saikiran maddukuri
    saikiran maddukuri
    17,919 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    0 Answers

  • Ar33ss Leon
    Ar33ss Leon
    4,620 Points

    Is it a good practice to modify generated code from Database first?

    Posted June 16, 2019 11:58pm by Ar33ss Leon
    Ar33ss Leon
    4,620 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Adding Our First Entity Using the Code First Workflow

    1 Answer

  • kevin hudson
    PRO
    kevin hudson
    Pro Student 9,652 Points

    Where is the database?

    Posted May 4, 2019 6:43pm by kevin hudson
    kevin hudson
    Pro Student 9,652 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    0 Answers

  • Andre Martins
    Andre Martins
    1,629 Points

    VS not recognizing a DbContext and not displaying the "using System.Data.Entity;" option, neither recognizing it if typd

    Posted September 27, 2018 2:26pm by Andre Martins
    Andre Martins
    1,629 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Adding Our Context

    1 Answer

  • Roger Sullivan
    Roger Sullivan
    8,498 Points

    Server is in single user mode. Only one administrator can connect at this time

    Posted September 11, 2018 5:43pm by Roger Sullivan
    Roger Sullivan
    8,498 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    0 Answers

  • Cecilia Benítez
    Cecilia Benítez
    1,396 Points

    Please fill in the correct answer in each blank provided below.

    Posted July 18, 2018 1:36pm by Cecilia Benítez
    Cecilia Benítez
    1,396 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Section Review

    2 Answers

  • odalis garcia
    odalis garcia
    21,310 Points

    I am stuck like a duck. Please help

    Posted June 30, 2018 12:55pm by odalis garcia
    odalis garcia
    21,310 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Adding a Context

    1 Answer

  • Jose Perez
    Jose Perez
    1,338 Points

    Help please where did you get DatabaseFirstTestDB when selecting database name?

    Posted December 16, 2017 7:01am by Jose Perez
    Jose Perez
    1,338 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Workflows: Database First

    1 Answer

  • Shawn McCall
    Shawn McCall
    7,863 Points

    Add method not working properly?

    Posted October 18, 2017 4:41pm by Shawn McCall
    Shawn McCall
    7,863 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    1 Answer

  • Andras Somodi
    Andras Somodi
    9,229 Points

    An unhandled exception of type 'System.NotSupportedException' occurred in EntityFramework.dll

    Posted May 25, 2017 9:38am by Andras Somodi
    Andras Somodi
    9,229 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    1 Answer

  • matthewgaikema
    matthewgaikema
    6,059 Points

    Monodevelop support

    Posted May 1, 2017 7:16pm by matthewgaikema
    matthewgaikema
    6,059 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Workflows: Model First

    0 Answers

  • Ezequiel Hurt
    Ezequiel Hurt
    8,061 Points

    SQL Unhandled Exception

    Posted April 26, 2017 1:20pm by Ezequiel Hurt
    Ezequiel Hurt
    8,061 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    2 Answers

  • Anders Lund
    Anders Lund
    4,155 Points

    Did he connect the context to the older comicBook project?

    Posted March 18, 2017 7:59pm by Anders Lund
    Anders Lund
    4,155 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Using the Context

    3 Answers

  • Akshay Shenvi
    Akshay Shenvi
    1,052 Points

    define classs error

    Posted January 10, 2017 2:58pm by Akshay Shenvi
    Akshay Shenvi
    1,052 Points
    • C#
    • Entity Framework Basics
    • Introducing Entity Framework
    • Adding an Entity

    1 Answer

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

Our mission is to bring affordable technology education to people everywhere in order to help them achieve their dreams and change the world.
Our Company
About Us
Contact Us
Community
Treehouse Stories
Student Perks
Treehouse Blog
Affiliate Program
Careers
Topics
HTML
CSS
Design
JavaScript
Ruby
PHP
Android
Development Tools
Business
Tracks
Web Design
Web Development
Rails Development
PHP Development
Android Development
Starting a Business
  • Treehouse Blog
  • About Treehouse
  • Privacy Policy
  • Terms & Conditions
  • © 2020 Treehouse Island, Inc.

Sign in

I forgot my password