ColumnView Events

The base class for Views that display tabular data.

Name	Description
AsyncCompleted	Fires when async data loading has finished, in Instant Feedback Mode.
BeforeLeaveRow	Occurs before the focused row changes. Handle this event to prevent the focused row change.
BeforeLoadLayout	Occurs before a layout is restored from storage (a stream, xml file or the system registry). Inherited from BaseView.
CellValueChanged	Fires immediately after a cell value has been changed.
CellValueChanging	Fires when a user changes a cell value: types or deletes a character, chooses a value from the dropdown list, etc. Does not fire when you change cell values in code.
Click	Occurs when a View is clicked. Inherited from BaseView.
ColumnChanged	Fires when changing a column’s properties.
ColumnFilterChanged	Occurs when a column’s filter condition changes. This event also raises when the Find Panel finishes its search.
ColumnPositionChanged	Allows you to respond to changing a column’s position within the View.
ColumnUnboundExpressionChanged	Fires after a column’s GridColumn.UnboundExpression property has been changed.
CustomColumnDisplayText	Allows you to replace cell display text (for cells with textbox-based editors), group row text, and filter menu item captions.
CustomColumnSort	Allows you to implement custom rules according to which a Grid column will sort its data. A column uses these custom rules only when its GridColumn.SortMode property is set to ColumnSortMode.Custom.
CustomDrawEmptyForeground	Enables a View’s empty space to be custom painted when there aren’t any rows displayed.
CustomDrawFilterPanel	Enables you to paint the filter panel manually.
CustomDrawViewCaption	Enables you to paint the view caption.
CustomFilterDialog	Enables the Custom Filter Dialog to be replaced with custom filtering facilities.
CustomFilterDisplayText	Allows you to set a custom Filter Panel text. This techique is aplicable only when the Filter Panel is in “Text” mode (see the FilterCriteriaDisplayStyle property).
CustomRowFilter	Allows you to hide/show specific rows (that exist in the data source) based on a condition regardless of the grid’s filter.
CustomUnboundColumnData	Allows you to supply data to cells in visible unbound columns, and save values entered by users.
DataError	Fires when an error occurs in the data controller and allows you to handle the error.
DataManagerReset	Fires when significant data source changes occur.
DataSourceChanged	Occurs when the data source of the current View changes. Inherited from BaseView.
Disposed	Occurs when the component is disposed by a call to the Dispose() method. Inherited from Component.
DoubleClick	Occurs when a View is double-clicked. Inherited from BaseView.
EndGrouping	Fires after the grouping operation has been completed.
EndSorting	Fires after the sorting operation has been completed.
FilterEditorCreated	Allows you to customize the Filter Editor before it is displayed on screen.
FilterExpressionEditorCreated	Allows you to customize the Expression Editor used to edit custom expressions that are displayed in the control’s Filter Editor.
FilterPopupExcelCustomizeTemplate	Allows you to customize templates for Excel-style filters and for external editors generated with Filtering UI Context.
FilterPopupExcelData	Allows you to add, remove, and modify data values and customize predefined filters in the Excel style pop-up filter menus. Filter items added manually on this event must be unique and sorted.
FilterPopupExcelParseFilterCriteria	Allows you to parse the filter criteria applied to data and select the corresponding values in the filter menu.
FilterPopupExcelPrepareTemplate	Allows you to replace the UI for the Excel-styled menus’ “Values” tab. Also affects editors generated by the Filtering UI Context component attached to this Data Grid.
FilterPopupExcelQueryFilterCriteria	Fires when a filter criteria is about to be applied to data and allows you to customize the filter criteria.
FocusedColumnChanged	Fires in response to changing column focus.
FocusedRowChanged	Fires when the focused row’s handle changes.
FocusedRowLoaded	Fires when the focused row’s data has been loaded (in Instant Feedback Mode).
FocusedRowObjectChanged	Fires after focus is moved to another row object.
FormatRuleExpressionEditorCreated	Allows you to customize the Expression Editor embedded in the Edit Formatting Rule dialog.
FormatRuleManagerFormCreated	Fires when the Conditional Formatting Rules Manager is about to be displayed.
GotFocus	Occurs when a View receives focus. Inherited from BaseView.
HiddenEditor	Fires immediately after an inplace editor has been closed.
InitNewRow	Enables you to initialize added rows.
InvalidRowException	Fires when a row fails validation or when it cannot be saved to the data source.
InvalidValueException	Enables you to provide a proper response to entering an invalid cell value. Inherited from BaseView.
KeyDown	Fires when a user presses a key while the View has focus. Inherited from BaseView.
KeyPress	Fires when a character key is pressed while the View has focus. Inherited from BaseView.
KeyUp	Occurs when releasing the pressed key. Inherited from BaseView.
Layout	Fires immediately after a View’s layout has been changed. Inherited from BaseView.
LayoutUpgrade	Occurs when a layout is restored from storage (a stream, xml file or system registry) and its version differs from the version of the current View’s layout. Inherited from BaseView.
LostFocus	Occurs when a View loses focus. Inherited from BaseView.
MouseDown	Occurs when the mouse pointer is over a View and a mouse button is pressed. Inherited from BaseView.
MouseEnter	Occurs when the mouse pointer enters the View. Inherited from BaseView.
MouseLeave	Occurs when the mouse pointer leaves the View. Inherited from BaseView.
MouseMove	Occurs when the mouse pointer moves over a View. Inherited from BaseView.
MouseUp	Occurs when the mouse button is released if it was pressed within a View. Inherited from BaseView.
MouseWheel	Occurs when the mouse wheel is moved while a View has focus. Inherited from BaseView.
PaintStyleChanged	Fires after the View’s paint style has changed. Inherited from BaseView.
ParseFindPanelText	Fires after the query in the find panel changes. Allows you to create a filter condition based on the query and specify how to highlight results in the control.
PrintExportCompleted	Allows you to determine whether the view data was printed or exported without errors. Inherited from BaseView.
PrintExportProgress	Fires repeatedly while the View’s data is being printed/exported. Inherited from BaseView.
PrintInitialize	Allows you to customize general print/export settings when the View is about to be printed/exported. Inherited from BaseView.
PropertyDeserializing	Allows you to restore certain settings previously saved in the layout. Inherited from BaseView.
PropertySerializing	Allows you to include certain settings in the layout when you save it. Inherited from BaseView.
QueryCustomFunctions	Allows you to add custom-function-based filters (for example, ‘discount is more than 15%’) to Excel-style pop-up filter menus and/or the filter editor.
RowCellDefaultAlignment	Enables you to specify content alignment for individual cells.
RowCountChanged	Occurs when the number of visible records is changed within a View. Inherited from BaseView.
RowDeleted	Fires after a data row is deleted.
RowDeleting	Fires when a data row is about to be deleted.
RowEditCanceled	Fires after row editing was canceled.
RowLoaded	Fires when a row’s data has been loaded (in Instant Feedback Mode).
RowUpdated	Occurs after changes made to a focused data row have been saved to an underlying data source.
SelectionChanged	Fires when row/cell selection is changed. In v21.1 and higher, the event fires both in single and multiple row selection modes.
SelectionChanging	Allows you to specify whether users can select and unselect rows.
ShowFilterPopupCheckedListBox	Allows you to customize checked filter dropdown lists before they are displayed.
ShowFilterPopupDate	Allows you to customize the filter dropdown for date-time columns.
ShowFilterPopupExcel	Allows you to hide specific filter conditions from Filters and Values tabs of the Excel-style Drop-down Filter.
ShowFilterPopupListBox	Enables you to customize a particular column’s filter dropdown list.
ShowingEditor	Occurs when a cell editor is about to open, and allows you to cancel the action.
ShownEditor	Fires immediately after a cell editor is invoked.
StartGrouping	Fires before a grouping operation is started.
StartSorting	Fires before a sorting operation is started.
SubstituteFilter	Allows you to update or replace the filter that is about to be applied with a custom filter.
SubstituteSortInfo	For internal use only.
UnboundExpressionEditorCreated	Fires after an Expression Editor has been created for an unbound column.
ValidateRow	Fires when a user edits row cell values and attempts to select another row. Handle this event to check whether these new values are valid, and if not, choose the required behavior (discard edits, show a warning message, ignore errors, or keep the focus on this row until a user enters valid values).
ValidatingEditor	Fires when a user edits a row cell value and attempts to select another cell. Handle this event to check whether this new value is valid, and if not, choose the required behavior (discard edits, show a warning message, ignore errors, or keep the focus on this cell until a user enters valid values). This event allows you to track edits made in the Edit Form. Inherited from BaseView.