dhtmlxGrid v.1.4 Professional Edition Features:
Loading XML from String
Frozen columns
Smart Rendering
Paginal Output extension
Merged cells
Simultanious Update of Database (dhtmlxDataProcessor)
Clipboard support
Export\Import from CSV
Serialization - possibility to create XML based on updated grid content
Drag-and-drop in/from dhtmlxTree
Drag-and-drop of multiple items
Move columns with drag-n-drop
Copy with Drag-and-drop
Math Formulas for cells
Footer
Customizable Sorting
Context Menu
Integration with dhtmlxCombo
Configuration via XML (moved to Standard since v.1.3)
Columns move/delete/insert with script methods
Various events handlers
Wider API
Official Support/Update period