AsyncIndexDataSourceProvider Class

In This Topic

Provides asynchronous access to a data source that uses index-based navigation.

Object Model

Syntax

Visual Basic
C#

'Declaration
 
Public MustInherit Class AsyncIndexDataSourceProvider 
   Inherits IndexDataSourceProvider
   Implements IAsyncDataSourceProvider, IBufferConfigurable

'Usage
 
Dim instance As AsyncIndexDataSourceProvider

public abstract class AsyncIndexDataSourceProvider : IndexDataSourceProvider, IAsyncDataSourceProvider, IBufferConfigurable

Inheritance Hierarchy

System.Object
   Xceed.Wpf.Data.DataSourceProvider
      Xceed.Wpf.Data.IndexDataSourceProvider
         Xceed.Wpf.Data.AsyncIndexDataSourceProvider
            Xceed.Wpf.Data.SimpleAsyncIndexDataSourceProvider

Public Properties

	Name	Description
	BufferConfiguration
	CanCalculateStats	(Inherited from Xceed.Wpf.Data.DataSourceProvider)
	CanCount	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanFilter	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanFilterGroup	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanFind	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanGroupCount	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanJump	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanJumpToItem	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	CanSkip	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	PageSize	Gets or sets the number of items that will be requested when a data request query is sent to the server. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	QueryRequestInterval	Gets or sets a value representing the interval at which the query requests are sent.

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Protected Properties

	Name	Description
	ElementType	Gets the type of the elements in the data source. (Inherited from Xceed.Wpf.Data.DataSourceProvider)

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Public Methods

	Name	Description
	NotifyItemsAdded	Overloaded. Notifies the data-source provider that the specified item has been added to the data source. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	NotifyItemsChanged	Overloaded. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	NotifyItemsRemoved	Overloaded. Notifies the data-source provider that the specified item has been removed from the data source. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	NotifyReset	Notifies the data-source provider that the data source has been reset. (Inherited from Xceed.Wpf.Data.DataSourceProvider)

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Protected Methods

	Name	Description
	BeginExecuteCountQuery	Begins the asynchronous operation of querying the underlying data source for its count.
	BeginExecuteDataQuery	Begins the asynchronous operation of querying the underlying data source for its data.
	BeginExecuteFindQuery
	BeginExecuteGroupCountQuery	Begins the asynchronous operation of querying the underlying data source for its group count.
	BeginExecuteStatQuery	Begins the asynchronous operation of querying the underlying data source for the result of a statistical function.
	CanSortBy	Retrieves a value indicating whether the specified sort criteria are supported by the data source. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	EndExecuteCountQuery	Ends the asynchronous operation of querying the underlying data source for its count.
	EndExecuteDataQuery	Ends the asynchronous operation of querying the underlying data source for its data.
	EndExecuteFindQuery
	EndExecuteGroupCountQuery	Ends the asynchronous operation of querying the underlying data source for its group count.
	EndExecuteStatQuery	Ends the asynchronous operation of querying the underlying data source for the result of a statistical function.
	GetPrimaryKeyInfo	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	GetSupportedFilterOperators	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	GetSupportedStatFunctions	Retrieves a list of the statistical functions that are supported for the specified data type. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	Initialize	(Inherited from Xceed.Wpf.Data.IndexDataSourceProvider)
	OnDataObjectsAdded	(Inherited from Xceed.Wpf.Data.DataSourceProvider)
	OnDataObjectsRemoved	(Inherited from Xceed.Wpf.Data.DataSourceProvider)
	OnDataSourceChanged	Notifies the data-source provider that the underlying data source has changed. (Inherited from Xceed.Wpf.Data.DataSourceProvider)
	OnInvalidateData	(Inherited from Xceed.Wpf.Data.DataSourceProvider)
	OnInvalidateDataObjects	(Inherited from Xceed.Wpf.Data.DataSourceProvider)

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Public Events

	Name	Description
	UnhandledException	Raised when an exception is thrown by the data source that is wrapped by the provider. (Inherited from Xceed.Wpf.Data.DataSourceProvider)

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Supported Frameworks

.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

.NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

Reference

AsyncIndexDataSourceProvider Members
Xceed.Wpf.Data Namespace

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