1)   FlyGrid.Net 1.5.3.3
FlyGrid.Net is a fast, lightweight and highly customizable .Net DataGrid/Tree control which completely manages the data, offering outstanding performance and flexibility to display and manage tabular, nested and hierarchical data.

 2)   WebGrid - The plug and play grid 2.0.2
WebGrid have 12 column types, 40 events, and have more then 100 properties for you to play with. This enables you to create faster and better web applications with an unequaled level of customization.