Short description of Sigma grid-Ajax grid for php java & .net 2.2: Written in pure javascript, Sigma Grid is an Ajax data grid for displaying and inline editing data in a scrollable and sortable table. Pure javascript codes. Inline editing, keyboard data navigation, nested multiline headers, sortable and frozen columns. Slice rendering and built-in paginal output. Powerful aggregation by group and printing technology. Plentiful attibut & event handlers. Data filter, chart and WYSIWYG printing supported.