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

New No-Code Track! 🚀start learning today!

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

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • Android
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
  • Eric Wilson
    Eric Wilson
    9,380 Points

    SOLUTION: HttpNotFound() does not exist in this current context Error.

    Posted January 9, 2022 3:10am by Eric Wilson
    Eric Wilson
    9,380 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    1 Answer

  • Mahmoud Nasser
    Mahmoud Nasser
    5,507 Points

    ASP.net MVC Routing

    Posted November 19, 2020 1:30pm by Mahmoud Nasser
    Mahmoud Nasser
    5,507 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    0 Answers

  • Cody Tapp
    Cody Tapp
    9,667 Points

    Still receiving parameter error after casting the id parameter

    Posted December 17, 2019 5:20am by Cody Tapp
    Cody Tapp
    9,667 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    1 Answer

  • Luke Gibson
    Luke Gibson
    3,503 Points

    The type of namespace name '_comicBookRepository' could not be found

    Posted June 1, 2019 10:21pm by Luke Gibson
    Luke Gibson
    3,503 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    1 Answer

  • olu adesina
    olu adesina
    23,007 Points

    does the use of an id at the end of urls mean that all data models classes must have id of type int

    Posted January 26, 2018 4:33am by olu adesina
    olu adesina
    23,007 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    0 Answers

  • Jake Ford
    Jake Ford
    9,230 Points

    Why not instantiate the repository like this?

    Posted August 16, 2017 2:55am by Jake Ford
    Jake Ford
    9,230 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    1 Answer

  • Christopher Debove
    PLUS
    Christopher Debove
    Courses Plus Student 18,373 Points

    Is there a reason for not using a static Repository class?

    Posted June 22, 2017 4:37pm by Christopher Debove
    Christopher Debove
    Courses Plus Student 18,373 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    2 Answers

  • matthewgaikema
    matthewgaikema
    6,059 Points

    Do controllers usually have constructors, even if they are simple and have no models?

    Posted September 27, 2016 9:14pm by matthewgaikema
    matthewgaikema
    6,059 Points
    • C#
    • ASP.NET MVC Basics
    • Modeling and Presenting Data
    • Updating the Controller

    1 Answer

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

    Treehouse

  • About
  • Blog
  • Careers
  • Community
  • Stories
  • Shop
  • Contact
  • Gift Card

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.