DataGridView Events

A data grid view.

Name	Description
AutoGeneratingColumn	Occurs each time an individual column is generated automatically.
BatchCommitted	Occurs when a batch of property changes have been committed by calling BatchCommit(). Inherited from VisualElement.
BindingContextChanged	Occurs when the value of the BindingContext property changes. Inherited from BindableObject.
ChildAdded	Raised whenever a child element is added to the element. Inherited from Element.
ChildRemoved	Raised whenever a child element is removed from the element. Inherited from Element.
ChildrenReordered	Occurs when the order of this element’s children changes. Inherited from VisualElement.
CompleteRowDragDrop	Occurs after the drag-and-drop operation is completed.
CreateDetailFormViewModel	Occurs before the detail view or edit form is invoked.
CustomCellAppearance	Occurs before a data cell is painted.
CustomCellDisplayText	Occurs before a data cell’s text is displayed.
CustomCellExport	Allows you to customize an exported cell.
CustomColumnHeaderExport	Allows you to customize an exported column header.
CustomFilter	Allows you to apply custom filter rules to grid rows.
CustomGroup	Enables you to group data in a custom manner.
CustomGroupDisplayText	Allows you to customize text for group rows.
CustomGroupRowExport	Allows you to customize an exported group row.
CustomGroupSummaryExport	Allows you to customize an exported group summary.
CustomSort	Enables you to sort data in a custom manner.
CustomSummary	Allows you to specify a custom rule to calculate data summaries.
CustomTotalSummaryExport	Allows you to customize an exported total summary.
CustomUnboundData	Enables you to populate unbound columns with data, and save changes that users made in unbound columns.
DescendantAdded	Raised whenever a child element is added to the element’s subtree. Inherited from Element.
DescendantRemoved	Raised whenever a child element is removed from the elements subtree. Inherited from Element.
DetailFormShowing	Occurs before the DataGridView invokes a detail form.
DoubleTap	Occurs when a user double taps the grid.
DragRow	Occurs when users touch and hold a data row to drag it.
DragRowOver	Occurs each time a row is over another row when being dragged.
DropRow	Occurs when users drop a row.
EditorShowing	Fires when a cell editor is about to be displayed and allows you to cancel the action.
EditorShown	Occurs when the DataGridView cell’s editor is displayed.
FilteringUIFormShowing	Occurs before the filter form is invoked and allows you to customize its options.
FocusChangeRequested	Occurs when a focus change is requested. Inherited from VisualElement.
Focused	Occurs when this element is focused. Inherited from VisualElement.
GroupCollapsed	Occurs after a group of rows has been collapsed.
GroupCollapsing	Occurs before a group of rows is collapsed.
GroupExpanded	Occurs after a group of rows has been expanded.
GroupExpanding	Occurs before a group of rows is expanded.
LoadMore	Occurs when a user scrolls to the bottom of the grid to load new data items.
LongPress	Occurs when a user taps and holds anywhere within the grid.
MeasureInvalidated	Occurs when the current measure of an element has been invalidated. Inherited from VisualElement.
PropertyChanged	Occurs when a property value changes. Inherited from BindableObject.
PropertyChanging	Occurs when a property value is changing. Inherited from BindableObject.
PullToRefresh	Occurs when a user pulls the grid down to refresh its content.
Scrolled	Fires after a DataGridView is scrolled.
SelectionChanged	Fires when the selected row is changed.
SizeChanged	Occurs when the size of an element changed. Inherited from VisualElement.
SwipeItemShowing	Fires when a swipe item is about to be shown when a user swipes a row from left to right or from right to left, and allows you to cancel the action.
Tap	Occurs when a user taps the grid.
TapConfirmed	Occurs when a single tap is confirmed (a user tapped the grid and a second tap leading to the double-tap gesture did not follow).
Unfocused	Occurs when this element is unfocused. Inherited from VisualElement.
ValidateAndSave	Allows you to validate data item values before they are committed to the data source.
ValidateCell	Occurs after a user changes a cell value in the in-place editor and attempts to select another cell.
ValidationError	Occurs when a value in the in-place cell editor fails validation or when it cannot be saved to a data source.