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

🤑 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

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

  • 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
    • Showing results for:
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Close
  • kevin hudson
    PLUS
    kevin hudson
    Courses Plus Student 11,987 Points

    I can't see where the Action field error message is defined within the solution

    Posted on Jun 3, 2019 by kevin hudson
    kevin hudson
    Courses Plus Student 11,987 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    1 Answer

  • Ar33ss Leon
    Ar33ss Leon
    4,621 Points

    Does scripts order matter?

    Posted on May 24, 2019 by Ar33ss Leon
    Ar33ss Leon
    4,621 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Improving Validation CSS Styles

    1 Answer

  • Priyanka Rudra
    Priyanka Rudra
    3,137 Points

    make the Name and DescriptionOfProblem properties required by adding [Required] data annotations to those properties

    Posted on Sep 28, 2018 by Priyanka Rudra
    Priyanka Rudra
    3,137 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using Data Annotations

    0 Answers

  • Vicky Lien
    Vicky Lien
    2,880 Points

    Capture Selected Value from Drop Down List and Display Message

    Posted on Aug 9, 2018 by Vicky Lien
    Vicky Lien
    2,880 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    0 Answers

  • odalis garcia
    odalis garcia
    21,311 Points

    What am I missing here?

    Posted on Jun 24, 2018 by odalis garcia
    odalis garcia
    21,311 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    1 Answer

  • Cory Watson
    Cory Watson
    3,269 Points

    Implementing Serverside Validation Using Modelstate

    Posted on Jun 13, 2018 by Cory Watson
    Cory Watson
    3,269 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Implementing Server-Side Validation Using ModelState

    1 Answer

  • Robert Patterson
    Robert Patterson
    2,915 Points

    error: The ViewData item that has the key 'ActivityId' is of type 'System.Int32' but must be of type 'IEnumerable'

    Posted on Jan 30, 2018 by Robert Patterson
    Robert Patterson
    2,915 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    2 Answers

  • Hakim Rachidi
    Hakim Rachidi
    38,491 Points

    How does jquery validation work?

    Posted on Jan 13, 2018 by Hakim Rachidi
    Hakim Rachidi
    38,491 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Implementing Unobtrusive Client-Side Validation

    1 Answer

  • bkraider
    bkraider
    7,837 Points

    Data Annotations Extension link issue

    Posted on Nov 15, 2017 by bkraider
    bkraider
    7,837 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Implementing Server-Side Validation Using Data Annotations

    2 Answers

  • Alan Mills
    Alan Mills
    31,712 Points

    client-side validation isn't appearing to function.

    Posted on Nov 8, 2017 by Alan Mills
    Alan Mills
    31,712 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Implementing Unobtrusive Client-Side Validation

    2 Answers

  • Andy DeBruhl
    Andy DeBruhl
    11,651 Points

    HTML Validation Summary??

    Posted on Oct 23, 2017 by Andy DeBruhl
    Andy DeBruhl
    11,651 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    1 Answer

  • Kristian Berrum
    Kristian Berrum
    12,664 Points

    Jquery Validation and Datepicker

    Posted on Oct 18, 2017 by Kristian Berrum
    Kristian Berrum
    12,664 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Implementing Unobtrusive Client-Side Validation

    2 Answers

  • Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points

    what could be wrong with this code

    Posted on Aug 29, 2017 by Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using Data Annotations

    1 Answer

  • Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points

    ..........help

    Posted on Aug 28, 2017 by Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    1 Answer

  • Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points

    can someone pliz help me understand what this challenge wants coz um now stck

    Posted on Aug 28, 2017 by Stewart Mandla Kohlisa
    Stewart Mandla Kohlisa
    11,737 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    1 Answer

  • vincent batteast
    vincent batteast
    51,094 Points

    In Report.cshtml add a validation summary section by rendering a call to the Html.ValidationSummary HTML helper method j

    Posted on Jun 14, 2017 by vincent batteast
    vincent batteast
    51,094 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    1 Answer

  • vincent batteast
    vincent batteast
    51,094 Points

    In IssuesController.cs complete the server-side validation rule that enforces if the issue severity is "Critical" that t

    Posted on Jun 13, 2017 by vincent batteast
    vincent batteast
    51,094 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    1 Answer

  • Sachini Hansini Nawalaella
    Sachini Hansini Nawalaella
    2,842 Points

    ASP.NET MVC forms

    Posted on Jun 5, 2017 by Sachini Hansini Nawalaella
    Sachini Hansini Nawalaella
    2,842 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    2 Answers

  • Joe Mackey
    Joe Mackey
    20,418 Points

    In IssuesController.cs complete the server-side validation rule that enforces if the issue severity is "Critical" that t

    Posted on May 31, 2017 by Joe Mackey
    Joe Mackey
    20,418 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    1 Answer

  • Frantyk Andrii
    Frantyk Andrii
    35,423 Points

    Help pls

    Posted on May 5, 2017 by Frantyk Andrii
    Frantyk Andrii
    35,423 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    1 Answer

  • Amy Shah
    Amy Shah
    25,337 Points

    What is wrong here ?

    Posted on Feb 28, 2017 by Amy Shah
    Amy Shah
    25,337 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    1 Answer

  • Amy Shah
    Amy Shah
    25,337 Points

    What is wrong here ?

    Posted on Feb 28, 2017 by Amy Shah
    Amy Shah
    25,337 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using ModelState

    0 Answers

  • Calvin Secrest
    Calvin Secrest
    24,815 Points

    Bummer! Did you remove any of provided code or markup?

    Posted on Nov 19, 2016 by Calvin Secrest
    Calvin Secrest
    24,815 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Displaying Validation Messages

    3 Answers

  • Calvin Secrest
    Calvin Secrest
    24,815 Points

    Bummer! Did you remove or change the Issue class?

    Posted on Nov 19, 2016 by Calvin Secrest
    Calvin Secrest
    24,815 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Adding Server-Side Validations Using Data Annotations

    1 Answer

  • Rolando Bernal
    Rolando Bernal
    18,105 Points

    After added jQuery.Validate.Bootstrap.js validation, "Duration" field's still allowing value of "0" in client-validation

    Posted on Oct 7, 2016 by Rolando Bernal
    Rolando Bernal
    18,105 Points
    • C#
    • ASP.NET MVC Forms
    • Adding Form Validation
    • Improving Validation CSS Styles

    3 Answers

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.