The Spreadsheet
Component for
.NET Developers
Build high-performance, Excel-compatible spreadsheet apps in WinForms or WPF. Full formula engine, charts, and native .xlsx import/export — no COM dependencies.
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Trusted across industries
What's New
LatestA next-generation rebuild with a fully virtualized core, faster and lighter in both WinForms and WPF, plus support for Avalonia.
47 Excel-compatible formula functions, point-mode formula editing, XLSX outline import/export, and major load performance & memory improvements.
Significantly faster processing for large datasets, with full API compatibility maintained.
A spreadsheet component for React & Vue.
ReoGrid V4 is here
Lazy loading for 1M+ rows, full WPF parity, multi-row headers, Excel-compatible formatting, and 12 more major features.
See all 16 featuresLazy Loading
1M+ rows in milliseconds
Multi-row Headers
Complex header layouts
WPF Full Parity
All WinForms features in WPF
Excel Formatting
Custom format strings
Conditional Filters
Programmatic data filtering
Conditional Styles
Formula-driven cell styling
Everything your users expect from Excel
ReoGrid ships with all the features your users need — without requiring Office or COM interop.
High Performance
Canvas-based rendering handles millions of cells smoothly. Virtual scrolling and deferred loading keep your UI responsive with large datasets.
Formula Engine
Built-in formula parser supporting 100+ Excel-compatible functions. Cross-cell references, named ranges, and array formulas included.
Charts & Visualization
Embed bar, line, pie, and area charts directly in the spreadsheet. Charts are linked to live data and update automatically.
Excel Import & Export
Read and write .xlsx files with high fidelity — preserving formatting, formulas, merged cells, and named ranges.
Rich Cell Formatting
Full control over fonts, colors, borders, number formats, conditional formatting, and data validation rules.
Extensible Architecture
Custom cell types, renderers, and input controls. ReoScript interpreter lets end users automate their spreadsheets.
Print & Page Layout
Print preview, page headers and footers, custom print areas, and automatic pagination for printer-ready output.
Cell Protection
Lock individual cells or ranges with password protection. Control read/write access at a granular level.
Web Edition
Use ReoGrid in React or Vue web apps with @reogrid/lite — zero dependencies, canvas-based, same familiar API.
Explore Web Edition →ReoGrid for the Web
Bring Excel-like functionality to your React or Vue web application. @reogrid/lite is lightweight, canvas-based, and built for modern web development.
- React & Vue wrappers included
- xlsx import support
- TypeScript native
- Zero external dependencies
- Free under MIT license
import { ReoGridReact } from '@reogrid/lite/react';
function SalesReport() {
return (
<ReoGridReact
width={800}
height={500}
onReady={(grid) => {
grid.setCellText(0, 0, 'Product');
grid.setCellText(0, 1, 'Revenue');
// Load your data...
}}
/>
);
}Get started in minutes
ReoGrid is available for .NET (WinForms & WPF) and as a JavaScript library for React and Vue web apps. Both share the same familiar API — pick your platform and have a working spreadsheet running fast.
- 1
Install via NuGet
PM> Install-Package unvell.ReoGrid.dll - 2
Add the control to your form
// Drag from Toolbox, or add in code: var grid = new ReoGridControl(); this.Controls.Add(grid); - 3
Work with cells
var sheet = grid.CurrentWorksheet; sheet[0, 0] = "Hello, ReoGrid!"; sheet["B2"] = new DateTime(2024, 1, 1);
- 1
Install via npm
npm install @reogrid/lite - 2
Add to your component
import { ReoGridReact } from '@reogrid/lite/react'; // Vue: import { ReoGridVue } from '@reogrid/lite/vue'; function MyApp() { return <ReoGridReact width={800} height={500} />; } - 3
Work with cells
onReady={(grid) => { const sheet = grid.currentWorksheet; sheet.setCellText(0, 0, 'Hello, ReoGrid!'); sheet.loadFromArray([['Q1', 'Q2'], [100, 200]]); }}
Ready to add spreadsheet power to your app?
Download ReoGrid for free and have your first spreadsheet running in under 10 minutes.