Radzen Blazor Components

LengthValidator

Demonstration and configuration of the Radzen Blazor LengthValidator component.

In this demo First Name and Last Name inputs each use two RadzenLengthValidator instances with Min="3" and Max="10" to enforce 3-10 character length constraints, with a toggle for popup vs inline validation display.

Personal information
(3-10 characters)
(3-10 characters)

Console log

All the tools in one place

Save Hours on Every Project

With Radzen Blazor subscription you get the full toolkit, including:

support

Dedicated support backed by proven expertise

palette

Premium themes and theme editor

widgets

Ready-to-use UI blocks

dashboard_customize

Complete app templates

format_shapes

Visual design-time-experience

Radzen Blazor Studio

Radzen Blazor Components, © 2018-2025 Radzen.
Source Code licensed under MIT

Demos Configuration

Premium Themes

  • Material 3
  • Material 3 Dark
  • Fluent
  • Fluent Dark

Free Themes

  • Material
  • Material Dark
  • Standard
  • Standard Dark
  • Default
  • Dark
  • Humanistic
  • Humanistic Dark
  • Software
  • Software Dark
An error has occurred. This app may no longer respond until reloaded. Reload 🗙