Umbraco Forms
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10.latest (LTS)
10.latest (LTS)
  • Umbraco Forms Documentation
  • Legacy Documentation
  • Release Notes
  • Installation
    • Installing Umbraco Forms
    • Licensing
  • Upgrading
    • Upgrading Umbraco Forms
    • Version Specific Upgrade Notes
    • Migration IDs
  • Editor
    • Creating a Form - The Basics
      • Form Settings
      • Overview Of The Field Types
        • Date
        • File Upload
        • reCAPTCHA V2
        • reCAPTCHA V3
      • Setting-up Conditional Logic on Fields
    • Attaching Workflows
      • Workflow Types
    • Viewing And Exporting Entries
    • Defining And Attaching Prevalue Sources
      • Prevalue Source Types Overview
  • Developer
    • Preparing Your Frontend
    • Rendering Forms
    • Rendering Forms Scripts
    • Themes
    • Custom Markup
    • Email Templates
    • Working With Record Data
    • Umbraco Forms in the Database
    • Extending
      • Adding A Type To The Provider Model
      • Adding A Field Type To Umbraco Forms
        • Excluding a built-in field
      • Adding A Prevalue Source Type To Umbraco Forms
      • Adding A Workflow Type To Umbraco Forms
      • Adding An Export Type To Umbraco Forms
      • Adding a Magic String Format Function
      • Adding A Server-Side Notification Handler To Umbraco Forms
      • Adding a Validation Pattern
      • Customize Default Fields and Workflows For a Form
    • Configuration
      • Forms Provider Type Details
    • Security
    • Magic Strings
    • Health Checks
      • Apply keys and indexes
      • Apply keys and indexes for forms in the database
    • Localization
    • Content Apps
    • Headless/AJAX Forms
    • Block List Filters
    • Field Types
    • Storing Prevalue Text Files With IPreValueTextFileStorage
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  • Client-Side Validation
  • Validation Using jQuery

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  1. Developer

Preparing Your Frontend

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Last updated 10 months ago

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For Umbraco Forms to work correctly, you need to include some client dependencies.

Client-Side Validation

Umbraco Forms ships with client-side form validation features provided by the .

You can use the following Razor helper to output script tags containing the dependencies. To access this method you will need a reference to Umbraco.Forms.Web:

@using Umbraco.Forms.Web
<head>
    @Html.RenderUmbracoFormDependencies()
</head>

Alternatively, you can add the dependencies to the body tag:

@using Umbraco.Forms.Web
...

<body>
    @Html.RenderUmbracoFormDependencies()
</body>

All dependencies originate from your Umbraco Forms installation, which means that no external references are needed.

Validation Using jQuery

If you want to use jQuery as your validation framework for Umbraco Forms, you can manually add the following client dependencies:

  • jQuery (JavaScript library)

  • jQuery validate (jQuery plugin that provides client-side Form validation)

  • jQuery validate unobtrusive (Add-on to jQuery Validation that provides unobtrusive validation via data-* attributes)

You should remove any calls to @Html.RenderUmbracoFormDependencies(Url).

  • Other CDN services you might want to look at are https://www.jsdelivr.com/ and https://cdnjs.com/about, which may offer better performance and more reliable service.

To add the three client dependencies, see the examples below:

Example within head tags.

<head>
    <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.0.0.min.js"></script>
    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validate/1.16.0/jquery.validate.min.js"></script>
    <script src="https://ajax.aspnetcdn.com/ajax/mvc/5.2.3/jquery.validate.unobtrusive.min.js"></script>
</head>

Example within body tags.

<body>
    <!-- Page content here -->

    <script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.0.0.min.js"></script>
    <script src="https://ajax.aspnetcdn.com/ajax/jquery.validate/1.16.0/jquery.validate.min.js"></script>
    <script src="https://ajax.aspnetcdn.com/ajax/mvc/5.2.3/jquery.validate.unobtrusive.min.js"></script>
</body>

The easiest way to add the dependencies is to fetch them from a . There are various CDN services you can use:

For example: .

When adding the script to the bottom of the page, you will also need to render the scripts. For more information, see article.

ASP.NET Client Validation library
CDN
Microsoft CDN
Rendering Forms Scripts