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The ASP.NET Core Rating is a highly customizable control to rate products or services with precise and accurate values by using built-in precision modes. The customization supported in the ASP.NET Core Rating control makes rating more expressive instead of just showing numeric values.

ASP.NET Core Rating control

Precision modes

The ASP.NET Core Rating control has several precision modes, which are listed below.

  • Full: The rating value is displayed in multiples of 1 (whole number).
  • Half: The rating value is displayed in multiples of 0.5 (half).
  • Quarter: The rating value is displayed in multiples of 0.25 (quarter).
  • Exact: The rating value is displayed in multiples of 0.1 (fraction).

ASP.NET Core Rating precision modes


The ASP.NET Core Rating control supports tooltips to provide more information about the rating. Tooltips can be customized using the template to provide more expressive content rather than the item’s numerical values.

ASP.NET Core Rating tooltip template


Labels provide additional information about the current rating value. Labels can be customized using the template and placed in different positions around the rating.

ASP.NET Core Rating label

ASP.NET Core Rating templates


The ASP.NET Core Rating control supports templates to customize rating items in different ways. Custom icons can be in the form of emojis, hearts, stars, SVG, and more.

Right to left (RTL)

The ASP.NET Core Rating control supports right-to-left (RTL) rendering.

ASP.NET Core Rating RTL


Customize rating items’ spacing, rated/unrated fill color, border color, and more, enabling it to fit the application’s needs.

ASP.NET Core Rating item size

Size of the items

Customizing the size of the items makes the Rating control more accessible and accurate.

ASP.NET Core Rating item spacing


Adjust the space between items in the Rating control.

ASP.NET Core Rating rated unrated fill collors

Rated and unrated fill colors

Customize the fill color of rated and unrated states of an item.

ASP.NET Core Rating border stroke thickness

Borders and stroke thickness

Customizing the border color and stroke thickness of rated and unrated items enhances their appearance and makes them stand out.

Built-in themes

The ASP.NET Core Rating supports these built-in themes: Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, Fluent, and high contrast. Users can customize one of these built-in themes or create new themes to achieve their desired look and feel by simply overriding SASS variables or using our Theme Studio application.

Web Accessibility

  • Fully supports WAI-ARIA accessibility to work with screen readers and assistive devices.
  • Follows WAI-ARIA best practices for implementing keyboard interaction.
    • Tab: Navigate to the Rating control.
    • Left Arrow: Decrease the rating value.
    • Right Arrow: Increase the rating value.
    • Up Arrow: Increase the rating value.
    • Down Arrow: Decrease the rating value.
  • Follows WCAG 2.0 standards in design of the UI visual elements such as foreground color, background color, line spacing, text, and images.

ASP.NET Core Rating code example

Easily get started with the ASP.NET Core Rating using a few simple lines of C# code example as demonstrated below. Also explore our ASP.NET Core Rating example that shows you how to render and configure the ASP.NET Core Rating.

@using Syncfusion.EJ2.Inputs
<div class="control-section">
    <ejs-rating id="rating" value=3></ejs-rating>

Other supported frameworks

The Rating control is also available in Blazor, Angular, React, Vue, and JavaScript frameworks. Check out the component on other platforms using these links:


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