.net grid is easily understandable and and add new feature like:-

.NetGrid v2.8.4 has been released. Improvements when CPU is heavily loaded.
This version contains bug fixes and performance improvements.

The following features have been added:

[NEW] Greatly improved the reliability and responsiveness of the grid when the CPU is heavily loaded.

The following bugs have been fixed:

[BUG] Fixed a bug in the column configurator which in some cases does not allow reordering of visible columns.
[BUG] Fixed a bug where merged columns were drawn with artifacts.
[BUG] Fixed a bug when the grid incorrectly draws cells if there are simultaneously visible grouped rows and child header.
[BUG] Fixed a bug when the grid incorrectly displays a vertical scrollbar if there are simultaneously visible grouped rows and child header.
Minor bug fixes
dapfor. com