Radzen Blazor Components
API Reference Star Radzen Blazor Components on GitHub

Spreadsheet Data Validation

Add validation rules to cells including number ranges, dropdown lists, dates, text length, and custom formulas.

Arrow keys move between cells. Tab moves to the next cell. F6 moves to the toolbar and out. F2 or type to edit. Press Alt+Slash for all keyboard shortcuts.
Data Validation Examples

Frequently asked questions

How do I restrict what users can enter in a cell?

Add data validation rules - number ranges, dropdown lists, dates, or custom formulas - to control the accepted input.

Related

OverviewFormulasConditional Formatting

Radzen Blazor Newsletter

Get an email when new components and releases ship.

All the tools in one place

Save Hours on Every Project

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

Dedicated support backed by proven expertise

Premium themes and theme editor

Ready-to-use UI blocks

Complete app templates

Visual design-time-experience

Start Free See Subscription Plans
Radzen Blazor Studio

Radzen Blazor Components, © 2018-2026 Radzen.
Source Code licensed under MIT

Demos Configuration

Premium Themes

  • Material 3
  • Material 3 Dark
  • Material 3 Expressive
  • Material 3 Expressive 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 🗙