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What’s New in Essential JS 2


What’s New in Essential JS 2

Volume 4 adds support for frozen columns on the right side of the DataGrid control, workflow validation in the Kanban control, and charts in the Spreadsheet control.


Line distribution

This feature allows users to decide whether or not the segment of each connector from a single parent node is automatically distributed.

Line distribution support for hierarchical layout.


Resize all edges of Dialog

This feature enables resizing all the edges (corners) of the Dialog.

Dialog resize

Word Processor

Footnotes and endnotes

Insert, access, and edit the footnotes and endnotes in a Word document.

Footnotes and endnotes in a Word document.

Gantt Chart

Virtual Scroll

This support loads a large amount of data with efficiency. It also reduces the DOM element’s weight by virtually updating DOM during the vertical scroll.


Split Tasks

This support allows interrupting a task due to unplanned events or re-prioritizing of planned events. In such cases, you can split the pending task and reschedule them to different dates.


Data Grid

Frozen rows and columns at right side

Supports freezing specific rows and columns at the right side of the grid, and makes the remaining grid content scrollable.

Frozen left and right

Column selection

This feature allows users to select a single or multiple grid columns through mouse clicks or keyboard shortcuts.

Grid with column selection


Workflow validation

This feature allows users to map workflow statuses to the Kanban columns. Users can transition single or multiple cards based on the configured workflow by dragging them from one column to another.

Workflow validation.

PDF Viewer

Import and export annotations

All the annotations in a PDF file can be exported to a XFDF file. The annotation XFDF data can also be imported to a PDF file.

Pivot Table

Drill support for attribute hierarchy members

Like user-defined hierarchy members, drill up/down operations can be performed by attribute hierarchy members in OLAP data source.


Palette support for accumulation charts

Accumulation chart types like pie, doughnut, pyramid, and funnel now support the palette feature that allows you to customize the default color of the series or points of your choice.

Pie chart Doughnut chart Pyramid chart Funnel chart

Rich Text Editor

Browse images from File Manager

Integrated the File Manager component into the Rich Text Editor to browse images.

File browser

Paste from Microsoft Excel

Allows pasting content from Microsoft Excel into the Rich Text Editor while preserving any formatting.

Paste from Excel


Drag-and-drop and resize in timeline year view

This feature allows users to reschedule and extend appointments (events) in the timeline year view.

Timeline year view



Chart transforms your Spreadsheet data to an intuitive overview for better understanding and to make smart business decisions.

Chart sample in Spreadsheet


Immutable data support in Tree Grid

This feature provides an option to refresh only the changed or affected rows in DOM when performing actions such as CRUD, sorting, paging, filtering, and drag and drop. It prevents re-rendering of unaffected rows and boosts up the performance of a tree grid.

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