Here are the client-side scripting events. The members are listed in alphabetical order by name.

Events	Summary
ActiveCellChanged	Occurs when the active cell is changed from the current one to a new one.
ActiveCellChanging	Occurs when the active cell is changing from the current one to a new one.
AutoFilteredColumn	Occurs when the client receives the filtering result from the server.
AutoFilteringColumn	Occurs when the user selects a filter item.
CallBackStart	Occurs just before the component makes a request to the ASPX page.
CallBackStopped	Occurs after the component gets the result from the callback request to the ASPX page.
CellClicked	Occurs when the user clicks on a cell.
CellDoubleClicked	Occurs when the user double-clicks a cell.
ColumnDragMove	Occurs when the user drops a column at the destination location.
ColumnDragMoveCompleted	Occurs after the Spread component completes moving the column.
ColWidthChanged	Occurs after the Spread component completes resizing the column.
ContextMenuClosed	Occurs when the menu is closed.
ContextMenuOpened	Occurs when the menu is shown.
ContextMenuOpening	Occurs when the menu is being shown.
CopyData	Occurs when the user copies data.
DataChanged	Occurs when the value of a cell is changed.
EditStart	Occurs when the user begins to edit a cell.
EditStopped	Occurs when cell editing is done.
ErrorMessageShown	Occurs when an error message is displayed client side.
LoadRowsStart	Occurs when rows start loading with the background load on demand.
LoadRowsStopped	Occurs when rows finish loading with the background load on demand.
MenuClicked	Occurs when an item on the menu is clicked.
RowDragMove	Occurs when the user drops a row at the destination location.
RowDragMoveCompleted	Occurs after the Spread component completes moving the row.
RowHeightChanged	Occurs after the Spread component completes resizing the row.
Scroll	Occurs when the user scrolls the sheet.
SelectionChanged	Occurs when the selection is finished changing.
TouchStripClosed	Occurs when the touch strip is closed.
TouchStripOpened	Occurs when the touch strip is opened.
TouchStripOpening	Occurs when the touch strip is being opened.

For an introduction to scripting, refer to the Scripting Overview.