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TreeGrid Gantt chart SpreadSheet Examples Documentation Download Development Licensing Prices References Contacts Buy Try it free

EJS TreeGrid is a DHTML component
written in pure JavaScript to display and edit data in table, grid, tree view, tree grid or bar chart on HTML page.

It is the fastest AJAX grid with the richest features set available on the Internet.

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Gantt chart

TreeGrid Gantt chart is an application core for building online (web based) project management software like MS Project or Oracle Primavera.

It is the most complex web Gantt chart and universal bar chart on the Internet.

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TreeGrid SpreadSheet is an application core for building online (web based) spreadsheet software like MS Excel, OpenOffice Calc or Google Sheets.

It is complex and fully customizable web spreadsheet with huge features set.

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2020-01-07Added Chinese translation.

2019-05-16Minor version 14.1 released.
Updated to better support JavaScript frameworks like Angular, React or Vue. Rewritten TreeGrid API declarations for TypeScript.
Added examples and documentation for TreeGrid in Angular 2, 3, 4, 5, 6, 7, React 15, 16, Vue 1, 2, other JavaScript frameworks and NodeJS server.
TreeGrid script can be downloaded on demand automatically when required (GridED.js script).

2019-02-05New build 14.0.10 released.
Updated date formats for translations. Added new languages.

2018-01-22Looking for TreeGrid translations.
We pay 200 USD for translations of TreeGrid texts to another language, for more information see News.

2019-01-22Major version 14.0 released.
Rewritten printing to PDF to use Google Chrome or Chromium headless for HTML to PDF conversion.
Added server paging in child pages to download only visible parts of row's immediate child rows.
Added languages and translations for easy translations to another language without reloading.
Updated filters to hide parents without hiding children, to specify which filter will be applied to which row, to color found rows.
Extended Master / detail / nested grids, added deep nesting, server paging, full undo / redo, etc.
Extended JSON Menu, added support for horizontal menus as toolbars, added various other attributes.
And many minor features and updates in Grid, Gantt and Sheet.

See what is new

About TreeGrid and Gantt chart

Large set of features

Complex component that provides MS Excel and MS Project features.

Fully extensible

Provides full JavaScript API with properties, methods and events.

The fastest grid & chart

Due highly optimized JavaScript code can quickly display millions of rows.


Supports all browsers, incl. mobiles.
Can be deployed on any web server.

All products in one

All features like grid, tree, Gantt and bar chart can be used in one table.

Universal component

Can show any type and size of data.
Can show any row & bar based chart

Live examples


TreeGrid universal example

A demonstration of many TreeGrid features like tree, sorting, grouping, filtering, searching, calculations, resizing and moving columns, row dragging, adding, deleting, copying, selecting, fixed rows and columns, many cell types, formatting values, popup default list, calendar, printing, export to PDF, export to MS Excel.

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Gantt chart & Network diagram

A demonstration of TreeGrid application showing interactive Gantt chart - timetable of tasks and their completion, resources, dependencies and scheduling in project management and also interactive Network diagram of the same taks with desriptions and dependencies. Shows also printing and export to PDF.

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TreeGrid large paged example

A demonstration of large grid with 50,000 rows. Shows various pagers and paging types with loading and rendering pages on demand. Shows sorting, grouping, filtering and calculations. Supports modifying data and saving changes to server. Shows also printing and exporting to XLSX/XLS/CSV.

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Universal interactive bar chart

A demonstration of interactive bar chart done by Run. The individual bars can have different size, style, shape, icons, color, HTML content, tooltip and features. It shows various types of creating, deleting, moving, copying, selecting and changing the boxes. The boxes support also dependency lines.

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TreeGrid SpreadSheet example

A demonstration of cell based spreadsheet program Shows editable formulas with suggest menu and choosing cell range during editing; Row and column index; Auto adding new rows and columns on scroll; Dynamic cell border; Dynamic cell style; Dynamic and automatic cell format and type; Mass changes like Clear, Move, Copy, Paste, AutoFill with all cell attributes.

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Large paged Gantt chart

A demonstration of TreeGrid application showing interactive Gantt chart with 1000 rows / tasks using client side paging with pager. It shows standard Gantt features like tasks completion percentage, dependencies between tasks, task scheduling, critical path, task resources and resource charts, calendars with holidays. It shows also times spent by individual actions.

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More examples