Class GridSelectionController

Represents a class that implements the selection behavior of row in SfDataGrid.

Inheritance
System.Object
GridBaseSelectionController
GridSelectionController
Implements
System.ComponentModel.INotifyPropertyChanged
System.IDisposable
Inherited Members
Namespace: Syncfusion.UI.Xaml.DataGrid
Assembly: Syncfusion.Grid.WinUI.dll
Syntax
public class GridSelectionController : GridBaseSelectionController, IGridSelectionController, INotifyPropertyChanged, IDisposable

Constructors

GridSelectionController(SfDataGrid)

Initializes a new instance of the GridSelectionController class.

Declaration
public GridSelectionController(SfDataGrid dataGrid)
Parameters
Type Name Description
SfDataGrid dataGrid

The SfDataGrid.

Methods

AddSelection(List<Object>)

Adds the row selection for the specified list of items.

Declaration
protected void AddSelection(List<object> addedItems)
Parameters
Type Name Description
System.Collections.Generic.List<System.Object> addedItems

The corresponding list of items to add the selection.

ClearSelections(Boolean, Boolean)

Clears all the selected rows in SfDataGrid.

Declaration
public override void ClearSelections(bool exceptCurrentRow, bool isProgrammatic = true)
Parameters
Type Name Description
System.Boolean exceptCurrentRow

Decides whether the current cell selection need to be removed when the selections are cleared.
System.Boolean isProgrammatic

Decides whether to raise events when the selection is cleared pogrammatically.
Overrides
Remarks

This method helps to clear the selection programmatically.

ClearSelections(Boolean, Boolean, Boolean)

Clears all the selected rows in SfDataGrid.

Declaration
protected virtual void ClearSelections(bool exceptCurrentRow, bool isProgrammatic = true, bool removeCurrentCellSelection = true)
Parameters
Type Name Description
System.Boolean exceptCurrentRow

Decides whether the current row selection need to be removed when the selections are cleared.
System.Boolean isProgrammatic

Decides whether to raise events when the selection is cleared pogrammatically.
System.Boolean removeCurrentCellSelection

Decides whether the current cell selection need to be removed when the selections are cleared.

CommitAddNew(Boolean)

Commits the new item initialized on the AddNewRow to the underlying data source.

Declaration
protected override void CommitAddNew(bool changeState = true)
Parameters
Type Name Description
System.Boolean changeState

Indicates whether watermark should be enabled on the AddNewRow.
Overrides

ExpandOrCollapseGroup(Group, Boolean)

Expands or collapses the group when the Right or Left arrow key is pressed.

Declaration
protected void ExpandOrCollapseGroup(Group group, bool isExpanded)
Parameters
Type Name Description
Group group

The corresponding group to expand or collapse.
System.Boolean isExpanded

Indicates the whether the group is expanded.

GetNextRowIndex(Int32)

Gets the index of next row corresponding to the specified index.

Declaration
protected virtual int GetNextRowIndex(int index)
Parameters
Type Name Description
System.Int32 index

The corresponding index to get the next row index.
Returns
Type Description
System.Int32

Returns the index of next row.

GetPreviousRowIndex(Int32)

Gets the index of previous row corresponding to the specified index.

Declaration
protected virtual int GetPreviousRowIndex(int index)
Parameters
Type Name Description
System.Int32 index

The corresponding index to get the previous row index.
Returns
Type Description
System.Int32

Returns the index of previous row.

GetRowInfo()

Gets the row informations.

Declaration
public List<GridRowInfo> GetRowInfo()
Returns
Type Description
System.Collections.Generic.List<GridRowInfo>

The list of row information.

HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Handles the row selection when the collection changes on SelectedItems, Columns and DataSource properties in SfDataGrid.

Declaration
public override void HandleCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)
Parameters
Type Name Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for collection changes.
CollectionChangedReason reason

Contains the CollectionChangedReason for collection changes.
Overrides
Remarks

This method is called when the collection changes on SelectedItems, Columns and DataSource properties in SfDataGrid.

HandleDetailsViewGridKeyDown(KeyRoutedEventArgs)

Handles the row selection when the keyboard interactions that are performed in DetailsViewDataGrid.

Declaration
public override bool HandleDetailsViewGridKeyDown(KeyRoutedEventArgs args)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs args

Contains information about the key that was pressed.
Returns
Type Description
System.Boolean

true if the key should be handled in DetailsViewDataGrid; otherwise, false.
Overrides

HandleGroupExpandCollapse(Int32, Int32, Boolean)

Handles the row selection when the group is expanded or collapsed in SfDataGrid.

Declaration
public override void HandleGroupExpandCollapse(int index, int count, bool isExpanded)
Parameters
Type Name Description
System.Int32 index

The corresponding index of the group.
System.Int32 count

The number of rows that are collapsed or expanded.
System.Boolean isExpanded

Specifies whether the group is expanded or not.
Overrides
Remarks

This method is invoked when the group is expanded or collapsed.

HandleKeyDown(KeyRoutedEventArgs)

Handles the row selection when the keyboard interactions that are performed in SfDataGrid.

Declaration
public override bool HandleKeyDown(KeyRoutedEventArgs args)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs args

Contains information about the key that was pressed.
Returns
Type Description
System.Boolean

true if the key should be handled in SfDataGrid; otherwise, false.
Overrides

HandlePointerOperations(GridPointerEventArgs, RowColumnIndex)

Handles the row selection when any of PointerOperation such as pressed, released, moved, and etc that are performed in SfDataGrid.

Declaration
public override void HandlePointerOperations(GridPointerEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
GridPointerEventArgs args

The GridPointerEventArgs that contains the type of pointer operations and its arguments.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex to handle pointer operation in row.
Overrides
Remarks

This method is invoked when any of the PointerOperation are performed in SfDataGrid.

HideAllRowSelectionBorder(Boolean)

Hides the row selection border for all rows in SfDataGrid.

Declaration
protected void HideAllRowSelectionBorder(bool exceptCurrentRow)
Parameters
Type Name Description
System.Boolean exceptCurrentRow

Indicates whether the selection border should be hidden except for current row.

MoveCurrentCell(RowColumnIndex, Boolean)

Moves the current cell for the specified rowColumnIndex.

Declaration
public override void MoveCurrentCell(RowColumnIndex rowColumnIndex, bool needToClearSelection = true)
Parameters
Type Name Description
RowColumnIndex rowColumnIndex

Specifies the corresponding rowColumnIndex to move the current cell.
System.Boolean needToClearSelection

Decides whether the current row selection should remove or not while moving the current cell.
Overrides
Remarks

This method is not applicable when the SelectionUnit and NavigationMode is Row.

ProcessCurrentItemChanged(SelectionPropertyChangedHandlerArgs)

Processes the row selection when the CurrentItem property value changes.

Declaration
protected override void ProcessCurrentItemChanged(SelectionPropertyChangedHandlerArgs handle)
Parameters
Type Name Description
SelectionPropertyChangedHandlerArgs handle

The SelectionPropertyChangedHandlerArgs contains the data for the CurrentItem property value changes.
Overrides

ProcessDataReorder(Object, NotifyCollectionChangedAction)

Processes the row selection when the data is reordered in SfDataGrid.

Declaration
protected virtual void ProcessDataReorder(object value, NotifyCollectionChangedAction action)
Parameters
Type Name Description
System.Object value

The corresponding value to check whether the reordered data that contains selection.
System.Collections.Specialized.NotifyCollectionChangedAction action

Indicates the corresponding collection changed actions performed on the data.

ProcessDetailsViewGridPointerMoved(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when mouse pointer moved on the DetailsViewDataGrid.

Declaration
protected virtual void ProcessDetailsViewGridPointerMoved(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse related interaction.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex related to the mouse point in DetailsViewDataGrid.

ProcessDetailsViewGridPointerPressed(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse pointer is pressed on the DetailsViewDataGrid.

Declaration
protected virtual void ProcessDetailsViewGridPointerPressed(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse pointer action.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex of the mouse pressed point.
Remarks

This method invoked when the mouse point is pressed using touch or mouse in DetailsViewDataGrid.

ProcessDetailsViewGridPointerReleased(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse pointer is released from the DetailsViewDataGrid.

Declaration
protected virtual void ProcessDetailsViewGridPointerReleased(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse pointer related changes.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex of the mouse released point.

ProcessDetailsViewIndex(KeyRoutedEventArgs, Int32, VirtualKey, out Int32)

Processes the row selection while navigating the cell from parent grid to child grid.

Declaration
protected bool ProcessDetailsViewIndex(KeyRoutedEventArgs args, int rowIndex, VirtualKey processKey, out int returnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs args

Contains data for key navigation.
System.Int32 rowIndex

The corresponding row index where the key navigation occurs.
Windows.System.VirtualKey processKey

The corresponding key that was processed.
System.Int32 returnIndex

The returnIndex to select the next row when DetailsViewDataGrid doesn't handle the cell selection.
Returns
Type Description
System.Boolean

Returns true if the pressed key was processed in DetailsViewDataGrid; otherwise, false.

ProcessDetailsViewKeyDown(KeyRoutedEventArgs, ref Int32, VirtualKey)

Processes the row selection when the keyboard interactions that are performed in DetailsViewDataGrid.

Declaration
protected bool ProcessDetailsViewKeyDown(KeyRoutedEventArgs args, ref int rowIndex, VirtualKey processKey)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs args

Contains data for key navigation.
System.Int32 rowIndex

The corresponding row index where the key navigation occurs.
Windows.System.VirtualKey processKey

The corresponding key that was processed.
Returns
Type Description
System.Boolean

Returns true if the keyboard interaction that are processed in DetailsViewDataGrid; otherwise, false.

ProcessDragSelection(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse pointer is dragged on the SfDataGrid.

Declaration
protected override void ProcessDragSelection(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains information about the mouse related operations.
RowColumnIndex rowColumnIndex

The starting rowColumnIndex of the drag selection.
Overrides
Remarks

This method will be raised when the SelectionMode is Multiple or Extended.

ProcessGroupCollapsed(Int32, Int32)

Processes the row selection when the group is collapsed from view.

Declaration
protected virtual void ProcessGroupCollapsed(int removeAtIndex, int count)
Parameters
Type Name Description
System.Int32 removeAtIndex

The corresponding index of the group that is collapsed from the view.
System.Int32 count

The number of collapsed rows count.

ProcessGroupExpanded(Int32, Int32)

Processes the row selection when the group is expanded in SfDataGrid.

Declaration
protected virtual void ProcessGroupExpanded(int insertIndex, int count)
Parameters
Type Name Description
System.Int32 insertIndex

The corresponding index of the group that is expanded in to view.
System.Int32 count

The number of expanded rows count.

ProcessKeyDown(KeyRoutedEventArgs)

Processes the row selection when the keyboard interactions that are performed in SfDataGrid.

Declaration
protected virtual void ProcessKeyDown(KeyRoutedEventArgs args)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.KeyRoutedEventArgs args

Contains the information about the key that was pressed.
Remarks

This method helps to customize the keyboard interaction behavior in SfDataGrid.

ProcessNavigationModeChanged(SelectionPropertyChangedHandlerArgs)

Processes the row selection when the NavigationMode property value changes.

Declaration
protected override void ProcessNavigationModeChanged(SelectionPropertyChangedHandlerArgs handle)
Parameters
Type Name Description
SelectionPropertyChangedHandlerArgs handle

The SelectionPropertyChangedHandlerArgs contains the data for the NavigationMode property value changes.
Overrides

ProcessOnAddNewRow(AddNewRowOperationHandlerArgs)

Processes the row selection when new row is initiated or committed and the position of AddNewRow is changed.

Declaration
protected override void ProcessOnAddNewRow(AddNewRowOperationHandlerArgs handle)
Parameters
Type Name Description
AddNewRowOperationHandlerArgs handle

Contains data for the AddNewRow operation.
Overrides

ProcessOnDoubleTapped(DoubleTappedRoutedEventArgs, RowColumnIndex)

Processes the selection when the mouse point is double tapped on the particular cell in a row.

Declaration
protected virtual void ProcessOnDoubleTapped(DoubleTappedRoutedEventArgs e, RowColumnIndex currentRowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.DoubleTappedRoutedEventArgs e

Contains the data related to the double tap interaction.
RowColumnIndex currentRowColumnIndex

The corresponding rowColumnIndex of the mouse point.
Remarks

This method invoked to process selection and end edit the cell when EditTrigger is OnDoubleTap.

ProcessOnFilterApplied(GridFilteringEventArgs)

Processes the row selection when filtering is applied in SfDataGrid.

Declaration
protected override void ProcessOnFilterApplied(GridFilteringEventArgs args)
Parameters
Type Name Description
GridFilteringEventArgs args

Contains the data related to filtering operation.
Overrides

ProcessOnFilterPopupOpened()

Processes the row selection when the filter popup is opened.

Declaration
protected override void ProcessOnFilterPopupOpened()
Overrides
Remarks

This method refreshes the row selection while opening the filter popup in SfDataGrid.

ProcessOnFilterRowPositionChanged(DependencyPropertyChangedEventArgs)

Processes the selection when the position of FilterRow is changed.

Declaration
protected override void ProcessOnFilterRowPositionChanged(DependencyPropertyChangedEventArgs args)
Parameters
Type Name Description
Microsoft.UI.Xaml.DependencyPropertyChangedEventArgs args

Contains data for the FilterRow position changed.
Overrides

ProcessOnGroupChanged(GridGroupingEventArgs)

Processes the row selection when the column is grouped in SfDataGrid.

Declaration
protected override void ProcessOnGroupChanged(GridGroupingEventArgs args)
Parameters
Type Name Description
GridGroupingEventArgs args

Contains the data related to the grouping operation.
Overrides
Remarks

This method refreshes the selection while grouping the column in SfDataGrid.

ProcessOnPageChanged()

Processes the row selection while navigating from one page in to another page in SfDataPager.

Declaration
protected override void ProcessOnPageChanged()
Overrides

ProcessOnPaste(List<Object>)

Processes the row selection when the records is pasted from the clipboard into SfDataGrid.

Declaration
protected override void ProcessOnPaste(List<object> records)
Parameters
Type Name Description
System.Collections.Generic.List<System.Object> records

Contains the list of records that is pasted into SfDataGrid.
Overrides

ProcessOnSortChanged(SortColumnChangedHandle)

Processes the row selection when the column is sorted in SfDataGrid.

Declaration
protected override void ProcessOnSortChanged(SortColumnChangedHandle sortcolumnHandle)
Parameters
Type Name Description
SortColumnChangedHandle sortcolumnHandle

Contains information related to the sorting action.
Overrides
Remarks

This method refreshes the selection while sorting the column in SfDataGrid and clear the selection in summary rows.

ProcessOnStackedHeaderRows(StackedHeaderCollectionChangedEventArgs)

Processes the cell selection when the stacked header collection changes in SfDataGrid.

Declaration
protected override void ProcessOnStackedHeaderRows(StackedHeaderCollectionChangedEventArgs args)
Parameters
Type Name Description
StackedHeaderCollectionChangedEventArgs args

Contains data for stacked header collection changes.
Overrides

ProcessOnTapped(TappedRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse point is tapped on the particular cell in a row.

Declaration
protected virtual void ProcessOnTapped(TappedRoutedEventArgs e, RowColumnIndex currentRowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.TappedRoutedEventArgs e

Contains the data related to the tap interaction.
RowColumnIndex currentRowColumnIndex

The corresponding rowColumnIndex of the mouse point.
Remarks

This method invoked to process selection and end edit the cell when EditTrigger is OnTap.

ProcessPointerMoved(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when mouse pointer is moved on the SfDataGrid.

Declaration
protected virtual void ProcessPointerMoved(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse related interaction.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex related to the mouse point.

ProcessPointerPressed(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse pointer is pressed in SfDataGrid.

Declaration
protected virtual void ProcessPointerPressed(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse pointer action.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex of the pressed point location.
Remarks

This method will be invoked when the pointer is pressed using touch or mouse in SfDataGrid. The selection is initialized in pointer pressed state when the AllowSelectionOnPointerPressed set as true.

ProcessPointerReleased(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the mouse pointer is released from SfDataGrid.

Declaration
protected virtual void ProcessPointerReleased(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse pointer action.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex of the mouse released point.
Remarks

The selection is initialized in pointer released state when the AllowSelectionOnPointerPressed set as false.

ProcessPointerSelection(PointerRoutedEventArgs, RowColumnIndex)

Processes the row selection when the pointer pressed or released interactions that are performed in SfDataGrid.

Declaration
protected void ProcessPointerSelection(PointerRoutedEventArgs args, RowColumnIndex rowColumnIndex)
Parameters
Type Name Description
Microsoft.UI.Xaml.Input.PointerRoutedEventArgs args

Contains the data for mouse pointer action.
RowColumnIndex rowColumnIndex

The corresponding rowColumnIndex related to the mouse point.

ProcessSelectedIndexChanged(SelectionPropertyChangedHandlerArgs)

Processes the row selection when the SelectedIndex property value changes.

Declaration
protected override void ProcessSelectedIndexChanged(SelectionPropertyChangedHandlerArgs handle)
Parameters
Type Name Description
SelectionPropertyChangedHandlerArgs handle

The SelectionPropertyChangedHandlerArgs contains the data for the SelectedIndex property value changes.
Overrides

ProcessSelectedItemChanged(SelectionPropertyChangedHandlerArgs)

Processes the row selection when the SelectedItem property value changes.

Declaration
protected override void ProcessSelectedItemChanged(SelectionPropertyChangedHandlerArgs handle)
Parameters
Type Name Description
SelectionPropertyChangedHandlerArgs handle

The SelectionPropertyChangedHandlerArgs contains the data for the SelectedItem property value changes.
Overrides

ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs)

Processes the row selection when the SelectedItems property value changes.

Declaration
protected virtual void ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs e)
Parameters
Type Name Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for SelectedItems collection changes.

ProcessSelection(Int32, RowColumnIndex, SelectionReason)

Processes the row selection for the specified row index.

Declaration
protected bool ProcessSelection(int rowIndex, RowColumnIndex previousCurrentCellIndex, SelectionReason reason)
Parameters
Type Name Description
System.Int32 rowIndex

The corresponding index to select the row.
RowColumnIndex previousCurrentCellIndex

The corresponding previous current cell index.
SelectionReason reason

Contains the reason for process selection.
Returns
Type Description
System.Boolean

Returns true if the cell selection is processed to corresponding row and column index; otherwise, false.

ProcessSelectionModeChanged(SelectionPropertyChangedHandlerArgs)

Processes the row selection when the SelectionMode property value changes.

Declaration
protected override void ProcessSelectionModeChanged(SelectionPropertyChangedHandlerArgs handle)
Parameters
Type Name Description
SelectionPropertyChangedHandlerArgs handle

The SelectionPropertyChangedHandlerArgs contains the data for the SelectionMode property changes.
Overrides

ProcessShiftSelection(Int32)

Processes the row selection when the rows selected by using Shift key.

Declaration
protected void ProcessShiftSelection(int rowIndex)
Parameters
Type Name Description
System.Int32 rowIndex

The corresponding row index to perform Shift selection.

ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Processes the row selection when the ItemsSource property value changes.

Declaration
protected virtual void ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)
Parameters
Type Name Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains data for source collection changes.
CollectionChangedReason reason

The CollectionChangedReason contains reason for the source collection changes.

ProcessTableSummaryChanged(TableSummaryPositionChangedEventArgs)

Processes the row selection when the table summary row position has changed.

Declaration
protected override void ProcessTableSummaryChanged(TableSummaryPositionChangedEventArgs args)
Parameters
Type Name Description
TableSummaryPositionChangedEventArgs args

Contains the data for the table summary row position changes.
Overrides

ProcessUnboundRowChanged(UnboundDataRowCollectionChangedEventArgs)

Processes the row selection when the UnboundRow collection changes.

Declaration
protected override void ProcessUnboundRowChanged(UnboundDataRowCollectionChangedEventArgs args)
Parameters
Type Name Description
UnboundDataRowCollectionChangedEventArgs args

Contains data for the UnboundRow collection changes.
Overrides

RefreshSelectedItems(ref List<Object>)

Refreshes the SelectedItems collection in SfDataGrid.

Declaration
protected void RefreshSelectedItems(ref List<object> removedItems)
Parameters
Type Name Description
System.Collections.Generic.List<System.Object> removedItems

Returns removeditems
Remarks

This method refresh the SelectedItems collection when the grid related operations performed.

RefreshSelectedRows()

Refreshes the SelectedRows collection in SfDataGrid.

Declaration
protected void RefreshSelectedRows()
Remarks

This method refresh the SelectedRows collection when the grid related operations are performed.

RemoveRows()

Removes the selected rows from the SfDataGrid control.

Declaration
protected bool RemoveRows()
Returns
Type Description
System.Boolean

Returns true if the selected rows removed; otherwise false.

RemoveSelection(List<Object>, Boolean)

Removes the selection for the specified list of items.

Declaration
protected void RemoveSelection(List<object> removedItems, bool needToRemoveSameRow = false)
Parameters
Type Name Description
System.Collections.Generic.List<System.Object> removedItems

The corresponding list of items to remove the selection.
System.Boolean needToRemoveSameRow

Indicates whether the selection need to be removed for the same row.

ResetSelectedRows(Boolean)

Resets the SelectedRows based on the selection added or removed in SfDataGrid.

Declaration
public void ResetSelectedRows(bool canUpdateCurrentRow = true)
Parameters
Type Name Description
System.Boolean canUpdateCurrentRow

Indicates whether the current row is updated based on CurrentItem.
Remarks

The SelectedRows collection updated only for data rows and other selection will be removed from SfDataGrid.

ResetSelection(Int32, List<Object>, Boolean)

Resets the row selection for the specified row index and list of removed items.

Declaration
protected void ResetSelection(int rowIndex, List<object> removedItems, bool setFocuForGrid = true)
Parameters
Type Name Description
System.Int32 rowIndex

The corresponding row index to reset the selection
System.Collections.Generic.List<System.Object> removedItems

The list of items to reset the selection.
System.Boolean setFocuForGrid

Indicates whether the focus is set to SfDataGrid or not.

SelectAll(Boolean)

Selects all the rows in SfDataGrid.

Declaration
public override void SelectAll(bool canFocus = true)
Parameters
Type Name Description
System.Boolean canFocus

Decides whether the focus can be set to the current cell.
Overrides
Remarks

This method only works for Multiple and Extended mode selection.

SelectRows(Int32, Int32)

Selects the rows corresponding to the specified start and end index of the row.

Declaration
public override void SelectRows(int startRowIndex, int endRowIndex)
Parameters
Type Name Description
System.Int32 startRowIndex

The start index of the row.
System.Int32 endRowIndex

The end index of the row.
Overrides

SetPressedIndex(RowColumnIndex)

Sets the PressedRowColumnIndex of SfDataGird.

Declaration
protected override void SetPressedIndex(RowColumnIndex rowcolumnIndex)
Parameters
Type Name Description
RowColumnIndex rowcolumnIndex

Indicates the starting position of drag selection.
Overrides
Remarks

This method helps to initialize the starting position of drag selection.

ShowAllRowSelectionBorder()

Shows the selection border for all rows in SfDataGrid.

Declaration
protected void ShowAllRowSelectionBorder()

UpdateCurrentRowIndex(Boolean, Boolean)

Updates the current row index based on CurrentItem property value changes.

Declaration
protected void UpdateCurrentRowIndex(bool skipIfNotDataRow = true, bool canFocusGrid = true)
Parameters
Type Name Description
System.Boolean skipIfNotDataRow

Indicates whether the current row index skipped other than the data row.
System.Boolean canFocusGrid

Indicates the SfDataGrid can be focused after the current row index is updated.

Implements

System.ComponentModel.INotifyPropertyChanged
System.IDisposable