Class DataTableCollectionView

Represents the class that maintains the collection view of type data table collection view, when the SfDataGrid is bind to the data table collection view.

Inheritance
System.Object
CollectionViewAdv
DataTableCollectionView
GridDataTableCollectionViewWrapper
Implements
System.Collections.IEnumerable
System.ComponentModel.INotifyPropertyChanged
System.IDisposable
System.Collections.Specialized.INotifyCollectionChanged
Inherited Members
Namespace: Syncfusion.Maui.Data
Assembly: Syncfusion.Maui.Data.dll
Syntax
public class DataTableCollectionView : CollectionViewAdv, ICollectionViewAdv, IEnumerable, INotifyPropertyChanged, ISupportInitialize, ISupportIncrementalLoading, IDisposable, IPropertyChangedEventHandler, IEditableCollectionView, INotifyCollectionChanged, IUnboundExpressionFunc, IGridViewNotifier

Constructors

DataTableCollectionView()

Initializes a new instance of DataTableCollectionView class.

Declaration
public DataTableCollectionView()

DataTableCollectionView(IEnumerable)

Initializes a new instance of DataTableCollectionView class.

Declaration
public DataTableCollectionView(IEnumerable source)
Parameters
Type Name Description
System.Collections.IEnumerable source

The IEnumerable source for the collection view.

Properties

RowFilter

Gets or sets the expression used to filter which rows are viewed in the DataView.

Declaration
public string RowFilter { get; set; }
Property Value
Type Description
System.String

The expression used to filter which rows are viewed in the DataView.

ViewSource

Gets the view source of the collection view.

Declaration
public DataView ViewSource { get; }
Property Value
Type Description
System.Data.DataView

The view source of the collection view.

Methods

AddNew()

Adds a new item to the collection.

Declaration
public override object AddNew()
Returns
Type Description
System.Object

The new item that is added to the collection.
Overrides

CancelNew()

Ends the add transaction and discards the pending new item.

Declaration
public override void CancelNew()
Overrides

CommitEdit()

Ends the edit transaction and saves the pending changes.

Declaration
public override void CommitEdit()
Overrides

CommitNew()

Ends the add transaction and saves the pending new item.

Declaration
public override void CommitNew()
Overrides

CreateRecords()

Creates the records for the items in the source of the collection view.

Declaration
protected override RecordsList CreateRecords()
Returns
Type Description
RecordsList

The list of records created for the items in the source of the collection view.
Overrides

FilterRecord(Object)

Filters the record for the specified record condition.

Declaration
public override bool FilterRecord(object record)
Parameters
Type Name Description
System.Object record

The record to filter the data.
Returns
Type Description
System.Boolean

True if the filter condition is satisfied, otherwise false.
Overrides

GetGroupResult(String[])

Gets the IEnumerable collection of group result for the array of group-by.

Declaration
protected override IEnumerable<GroupResult> GetGroupResult(string[] groupBy)
Parameters
Type Name Description
System.String[] groupBy

The array of groups
Returns
Type Description
System.Collections.Generic.IEnumerable<GroupResult>

The IEnumerable collection of group result for the array of group-by.
Overrides

GetSource()

Gets the source of the collection view.

Declaration
protected override IEnumerable GetSource()
Returns
Type Description
System.Collections.IEnumerable

The source of the collection view.
Overrides

OnSortDescriptionChanged(NotifyCollectionChangedEventArgs)

This method fires when the sort description is changed.

Declaration
protected override void OnSortDescriptionChanged(NotifyCollectionChangedEventArgs e)
Parameters
Type Name Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains the event data.
Overrides

RefreshFilter(Boolean)

Refreshes the view when the filtering is applied through FilterRecord(Object) delegate.

Declaration
public override void RefreshFilter(bool isProgrammatic = false)
Parameters
Type Name Description
System.Boolean isProgrammatic

A boolean value indicating whether filtering is done programmatically.
Overrides

RefreshSort()

Refreshes the sorting.

Declaration
protected override void RefreshSort()
Overrides

RefreshSortingOrderWithFiltersForBottomLevel(List<Group>, String, Int32)

Refreshes the sorting order with filters for the bottom-level groups.

Declaration
protected virtual void RefreshSortingOrderWithFiltersForBottomLevel(List<Group> groups, string previousFilter, int level)
Parameters
Type Name Description
System.Collections.Generic.List<Group> groups

The list of groups in the bottom level.
System.String previousFilter

The previous filter applied.
System.Int32 level

The level of the group.

ResetFilter()

Refreshes the filtering.

Declaration
protected override void ResetFilter()
Overrides

SetSource(IEnumerable)

Sets the source for the collection view.

Declaration
protected override void SetSource(IEnumerable _source)
Parameters
Type Name Description
System.Collections.IEnumerable _source

The source to be set for the collection view.
Overrides

SourceListChanged(Object, ListChangedEventArgs)

Handles the System.ComponentModel.IBindingList.ListChanged event.

Declaration
protected override void SourceListChanged(object sender, ListChangedEventArgs e)
Parameters
Type Name Description
System.Object sender

The original sender of the event.
System.ComponentModel.ListChangedEventArgs e

The System.ComponentModel.ListChangedEventArgs that contains the event data.
Overrides

UpdateCollectionView(Object, NotifyCollectionChangedEventArgs)

This method fires when the collection is changed.

Declaration
protected override void UpdateCollectionView(object sender, NotifyCollectionChangedEventArgs e)
Parameters
Type Name Description
System.Object sender

The original sender of the event.
System.Collections.Specialized.NotifyCollectionChangedEventArgs e

The System.Collections.Specialized.NotifyCollectionChangedAction which represents the collection changed action.
Overrides

Implements

System.Collections.IEnumerable
System.ComponentModel.INotifyPropertyChanged
System.IDisposable
System.Collections.Specialized.INotifyCollectionChanged

Extension Methods