Class DataGridRowSelectionController

Represents a class DataGridRowSelectionController which handles the row selection operations in SfDataGrid.

Inheritance

System.Object

DataGridSelectionController

DataGridRowSelectionController

Implements

System.IDisposable

Inherited Members

DataGridSelectionController.ClearSelection()

DataGridSelectionController.DataGrid

DataGridSelectionController.Dispose()

DataGridSelectionController.RaiseSelectionChanged(List<Object>, List<Object>)

DataGridSelectionController.RaiseSelectionChanging(List<Object>, List<Object>)

DataGridSelectionController.ResumeUpdates()

DataGridSelectionController.SelectedRows

DataGridSelectionController.SuspendUpdates()

Namespace: Syncfusion.Maui.DataGrid

Assembly: Syncfusion.Maui.DataGrid.dll

Syntax

public class DataGridRowSelectionController : DataGridSelectionController, IDisposable

Constructors

DataGridRowSelectionController(SfDataGrid)

Initializes a new instance of the class.

Declaration

public DataGridRowSelectionController(SfDataGrid dataGrid)

Parameters

Type	Name	Description
SfDataGrid	dataGrid	The reference of the SfDataGrid.

Properties

LastSelectedRowIndex

Gets or sets the last selected row index.

Declaration

protected int LastSelectedRowIndex { get; set; }

Property Value

Type	Description
System.Int32	The row index of the last selected row.

Methods

ApplySelection(RowColumnIndex, Boolean)

Applies selection.

Declaration

protected override void ApplySelection(RowColumnIndex rowColumnIndex, bool isfromNavigationKeys = false)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	Gets the RowColumnIndex.
System.Boolean	isfromNavigationKeys	Gets the boolen value for process the navigation key.

Overrides

DataGridSelectionController.ApplySelection(RowColumnIndex, Boolean)

Dispose(Boolean)

Releases the unmanaged resources used by the component and optionally releases the managed resources.

Declaration

protected override void Dispose(bool isDisposing)

Parameters

Type	Name	Description
System.Boolean	isDisposing	if true - release both managed and unmanaged resources; if false - release only unmanaged resources.

Overrides

DataGridSelectionController.Dispose(Boolean)

Remarks

Application developers can override this to get notified of dispose call and dispose the required objects here.

HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Handles the collection changes such as selected items and source collection changed to process selection.

Declaration

public virtual void HandleCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs.
Syncfusion.Maui.DataGrid.CollectionChangedReason	reason	The reason for the collection change.

HandleGridOperation(GridOperationHandlerArgs)

Handles the grid operations.

Declaration

public virtual void HandleGridOperation(GridOperationHandlerArgs e)

Parameters

Type	Name	Description
GridOperationHandlerArgs	e

HandlePointerOperation(RowColumnIndex)

Handles the pointer operation (touch-up or double tap) to handle selection.

Declaration

public virtual void HandlePointerOperation(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row column index in which the pointer operation is performed.

HandleSelectionPropertyChanges(DataGridSelectionPropertyChangedEventArgs)

Handles the selection when the selection related properties gets changed.

Declaration

public virtual void HandleSelectionPropertyChanges(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	The DataGridSelectionPropertyChangedEventArgs.

ProcessCurrentItemChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration

protected override void ProcessCurrentItemChanged(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	SelectionPropertyChangedHandler arguments.

Overrides

DataGridSelectionController.ProcessCurrentItemChanged(DataGridSelectionPropertyChangedEventArgs)

Remarks

When is Multiple the last selected item is stored in the .

ProcessingPointerTouchUp(RowColumnIndex)

Method to process the pointer touch up. Handles the touch up operation of each row in a SfDataGrid control.

Declaration

public virtual void ProcessingPointerTouchUp(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row column index in which the touch up action is performed.

ProcessNavigationModeChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration

protected virtual void ProcessNavigationModeChanged(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	The DataGridSelectionPropertyChangedEventArgs.

Remarks

When navigation mode is changed from cell to row clears all selection.

ProcessOnGroupChanged(DataGridGroupDescriptionChangedEventArgs)

Processes selection when the grouping is changed in a control.

Declaration

protected override void ProcessOnGroupChanged(DataGridGroupDescriptionChangedEventArgs args)

Parameters

Type	Name	Description
DataGridGroupDescriptionChangedEventArgs	args	The DataGridGroupDescriptionChangedEventArgs.

Overrides

DataGridSelectionController.ProcessOnGroupChanged(DataGridGroupDescriptionChangedEventArgs)

ProcessOnSortChanged(DataGridSortDescriptionChangedEventArgs)

Processes selection when the sorting is changed in a control.

Declaration

protected override void ProcessOnSortChanged(DataGridSortDescriptionChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSortDescriptionChangedEventArgs	args

Overrides

DataGridSelectionController.ProcessOnSortChanged(DataGridSortDescriptionChangedEventArgs)

ProcessSelectedIndexChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration

protected override void ProcessSelectedIndexChanged(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	The DataGridSelectionPropertyChangedEventArgs.

Overrides

DataGridSelectionController.ProcessSelectedIndexChanged(DataGridSelectionPropertyChangedEventArgs)

Remarks

When is Multiple the index of the first selected item is stored in the .

ProcessSelectedItemChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration

protected override void ProcessSelectedItemChanged(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	The DataGridSelectionPropertyChangedEventArgs.

Overrides

DataGridSelectionController.ProcessSelectedItemChanged(DataGridSelectionPropertyChangedEventArgs)

ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs)

Processes the collection changed to update the selection.

Declaration

public virtual void ProcessSelectedItemsChanged(NotifyCollectionChangedEventArgs e)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs.

ProcessSelectionModeChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration

protected override void ProcessSelectionModeChanged(DataGridSelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
DataGridSelectionPropertyChangedEventArgs	args	The DataGridSelectionPropertyChangedEventArgs.

Overrides

DataGridSelectionController.ProcessSelectionModeChanged(DataGridSelectionPropertyChangedEventArgs)

Remarks

When selection mode is changed from multiple to single/singleDeselect clears all the selection expect last selection.

ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Processes the source collection changes to update selection in a control.

Declaration

protected override void ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	NotifyCollectionChangedEvent arguments.
Syncfusion.Maui.DataGrid.CollectionChangedReason	reason	CollectionChanged reason.

Overrides

DataGridSelectionController.ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

RefreshSelection()

Refreshes the selections and sets values for the SelectedIndex, , CurrentRow and properties.

Declaration

public void RefreshSelection()

ResetSelection()

Resets the selected index for the rows in collection.

Declaration

public void ResetSelection()

SelectAll()

Selects all the cells in SfDataGrid.

Declaration

protected override void SelectAll()

Overrides

DataGridSelectionController.SelectAll()

SetSelectionAnimation(DataGridRow)

Sets animation for the selected row.

Declaration

protected virtual void SetSelectionAnimation(DataGridRow rowElement)

Parameters

Type	Name	Description
DataGridRow	rowElement	The view which holds the row data of the selected row.

Implements

System.IDisposable