Grids

Use TCustomDrawGrid as a base class when defining grid components that publish events for painting or manipulating the cells in the grid. TCustomDrawGrid introduces a number of events and methods that take advantage of the tabular organization of the grid in responding to user actions. 

Do not create instances of TCustomDrawGrid. Instead, put a grid control in a form by instantiating a descendant of TCustomDrawGrid. Use TDrawGrid to represent non-textual material in a tabular grid. For text, use a TStringGrid object. If the text represents field values from a dataset, use TDBGrid. If you are displaying Name/Value pairs, use TValueListEditor. 

TDrawGrid 

TStringGrid