TDBGrid Control Events

AfterColEdit	Fired after column data is edited.
AfterColUpdate	Occurs after data moves from cell to the grid buffer.
AfterDelete	Occurs after record deletion from grid.
AfterInsert	Occurs after record insertion in grid.
AfterUpdate	Occurs after record changes are written to the database.
BeforeColEdit	Fired upon an attempt to edit column data.
BeforeColUpdate	Occurs before data moves from cell to the grid buffer.
BeforeDelete	Occurs before record deletion from grid.
BeforeInsert	Occurs before record insertion in grid.
BeforeOpen	Occurs when the user clicks the + indicator in a cell.
BeforeRowColChange	Occurs before a different cell becomes current.
BeforeUpdate	Occurs before record changes are written to the database.
ButtonClick	Occurs when a column button has been clicked.
Change	Occurs when the grid contents have changed.
ClassicAdd	Fired when a new row is added to the unbound dataset.
ClassicDelete	Fired when an unbound row needs to be deleted.
ClassicRead	Fired when the grid requires unbound data for display.
ClassicWrite	Fired when an unbound row needs to be modified.
Click	Fired when a mouse click occurs.
ColEdit	Fired when column data is edited.
Collapse	Fired when a band is collapsed by a user.
ColMove	Occurs before grid repainting when columns are moved.
ColResize	Occurs before grid repainting when a column is resized.
ComboSelect	Fired when the user selects a ValueItems combo entry.
DataSourceChanged	Fired when the data source changes.
DblClick	Fired when a mouse double click occurs.
DragCell	Fired when a drag operation is initiated.
Error	Occurs when an associated action fails.
Expand	Fired when a band is expanded by a user.
FetchCellStyle	Fired when the FetchStyle property is set to dbgFetchCellStyleColumn or dbgFetchCellStyleAddNewColumn for a column.
FetchCellTips	Fired when the CellTips property is set to True.
FetchRowStyle	Fired when the FetchRowStyle property is set to True.
FetchScrollTips	Fired when ScrollTips is set to 0 – None.
FirstRowChange	Fired when the FirstRow property changes.
FilterButtonClick	If True, fires when the button is pressed in the filter cell.
FilterChange	Fired when a user types in the filter cell.
FootClick	Occurs when a column footer has been clicked.
FormatText	Fired when specified by the NumberFormat property.
GroupColMove	Occurs before a column is moved to or from the grouping area.
GroupHeadClick	Occurs when a column header is clicked in the grouping area.
HeadClick	Occurs when a column header has been clicked.
KeyDown	Occurs when a key is pressed.
KeyPress	Occurs when an ANSI key is pressed and released.
KeyUp	Occurs when a key is released.
LayoutReady	Fired when downloading of a layout file is complete.
LeftColChange	Fired when the LeftCol property changes.
MouseDown	Occurs when a mouse button is pressed.
MouseMove	Occurs when the mouse moves.
MouseUp	Occurs when a mouse button is released.
OLECompleteDrag	Occurs when a drag action is performed or canceled.
OLEDragDrop	Occurs when a drop action is performed or canceled.
OLEDragOver	Occurs when a component is dragged over the grid.
OLEGiveFeedback	Occurs after every OLEDragOver event.
OLESetData	Occurs when data is requested in a particular format.
OLEStartDrag	Occurs when a drag operation is initiated.
OnAddNew	Fired when a user action causes an AddNew operation.
OnInit	Occurs when the grid is initially loaded.
OwnerDrawCell	Fired when an owner-drawn cell is about to be rendered.
OwnerDrawCellPrint	Fired when an owner-drawn cell is about to be printed.
OwnerDrawPageFooter	Fired to draw owner-drawn page footer while printing.
OwnerDrawPageHeader	Fired to draw owner-drawn page header while printing.
Paint	Fired when the grid repaints itself.
PostEvent	Occurs after a PostMsg method is called.
RowColChange	Occurs when a different cell becomes current.
RowResize	Occurs when rows are resized.
Scroll	Occurs when the grid is scrolled using the scroll bars.
SelChange	Occurs when the current selected cell range changes.
SplitChange	Occurs when a different split becomes current.
UnboundAddData	Fired when a new row is added to the unbound dataset.
UnboundColumnFetch	Fetches unbound column data when the grid is bound.
UnboundDeleteRow	Fired when an unbound row needs to be deleted.
UnboundGetRelativeBookmark	Fired when the grid needs a relative bookmark.
UnboundReadData	Fired when the grid requires unbound data for display.
UnboundReadDataEx	Fired when the grid requires unbound data for display.
UnboundWriteData	Fired when an unbound row needs to be modified.
ValueItemError	Fired when invalid data is typed into a ValueItems column.