Class DataGridRowSelectionController

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

Inheritance
System.Object
DataGridSelectionController
DataGridRowSelectionController
Implements
System.IDisposable
Inherited Members
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

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
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
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

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

ProcessSelectedIndexChanged(DataGridSelectionPropertyChangedEventArgs)

Processes the changes in a control.

Declaration
protected override void ProcessSelectedIndexChanged(DataGridSelectionPropertyChangedEventArgs args)
Parameters
Type Name Description
DataGridSelectionPropertyChangedEventArgs args

The DataGridSelectionPropertyChangedEventArgs.
Overrides
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

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
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

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

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