Interactive DHTML Gantt chart displayed by Editable JavaScript TreeGrid.

The Gantt chart is a JavaScript component and can be fully defined by a developer to display any Gantt chart on HTML page.
The developer can define any custom columns and rows to be included in the Gantt - in fact he can create any (tree)grid even without the Gantt.

Compatible with Internet Explorer 5.0+, Mozilla 1.0+, Mozilla Firefox 1.0+, Netscape Navigator 6.0+, Opera 7.60+, KHTML (Konqueror 3.0+, Safari 1.2+).

The Gantt chart supports all basic and extended Gantt features like in MS Project and more:
standard task definition by start date and end date;
task percentage completion;
real flow definition by (even discrete) date ranges;
task dependencies (ss,sf,fs,ff), lines and arrows;
milestones (task without length);
flags (information);
resources (task workers);

All the Gantt items can be modified by mouse dragging (e.g. changing dates by moving or resizing bars, adding, changing and deleting dependencies, and so on).
Every Gantt data can be also edited in standard grid text/number/date cell or chosen from menu or calendar.
Every Gantt cell or item can be calculated by a formula like in MS Excel.
Fully customizable zooming - the developer can define various views with specified zoom (from minutes to years) including start and end date limitations and other parameters.
Tasks can be grouped by any column values, for example by resource, completion or start date.
Tasks can be filtered by any column values, for example by resource or task name.
The displayed Gantt chart is also printable.
It can display large charts with thousands of rows.

EJS TreeGrid supports in the Gantt chart also all extended features like editing, dragging, sorting, filtering, grouping, searching, printing, paging and many more.
Uses AJAX or page submit for upload changes to server.
Multilanguage, including RTL support for Arabic languages and also Hirji dates.

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