.Net Grid. Hierarchical and conditional data bindings, binding to multiple data sources, event-driven model. Single or multiple headers. Realtime filtering, regrouping, multiple sorting, cell highlighting. Drag & drop features, export/import to/from Excel. Cell editors, column filters, cell tooltips, semi-transparent selection, row docking, XML and binary serialization. Perf: 50000 upd/sec, 16MB/100000 rows. Design-time support. 370+ NUnit tests