deleteColumn
Triggered when a column will be deleted. Introduced in the 2017 Q1 release.
Event Data
e.sender kendo.ui.Spreadsheet
The widget instance which fired the event.
e.sheet kendo.spreadsheet.Sheet
The sheet instance which will be affected.
e.index Number
The index of the column.
e.preventDefault Function
If invoked, the Spreadsheet will execute the change.