DevExpress.Data Namespace

Contains classes implementing the common data management functionality for DevExpress controls.

Assemblies : DevExpress.Data.v25.2.dll, DevExpress.Printing.v25.2.Core.dll

NuGet Packages : DevExpress.Data, DevExpress.Printing.Core

Classes

Name	Description
AsyncDownloadPolicy static	Allows you to spot, analyze, and prohibit unwanted download requests.
AsyncDownloadPolicy.AsyncDownloaderCancelEventArgs	The base class for AsyncDownloadPolicy.ProbingEventArgs and AsyncDownloadPolicy.DownloadingEventArgs classes.
AsyncDownloadPolicy.AsyncDownloaderEventArgs	The base class for AsyncDownloadPolicy.ConfigureHttpClientEventArgs and AsyncDownloadPolicy.DownloadedEventArgs classes.
AsyncDownloadPolicy.ConfigureHttpClientEventArgs	Contains data for the ConfigureHttpClient event.
AsyncDownloadPolicy.DownloadedEventArgs	Contains data for the Downloaded event.
AsyncDownloadPolicy.DownloadingEventArgs	Contains data for the Downloading event.
AsyncDownloadPolicy.FailedEventArgs	Contains data for the Failed event.
AsyncDownloadPolicy.ProbingEventArgs	Contains data for the Probing event.
CustomSummaryEventArgs	Provides data for the GridView.CustomSummaryCalculate event.
CustomSummaryExistEventArgs	Provides data for the GridView.CustomSummaryExists event.
RealTimeSource	The component that acts as an asynchronous bridge between a data-aware control and rapidly changing data.
RowDeletedEventArgs	Provides data for an event that fires after a row is deleted.
RowDeletingEventArgs	Provides data for an event that fires before a row is deleted.
SelectionChangedEventArgs	Provides data for the selection changed events.
SelectionChangingEventArgs	Contains data for the SelectionChanging event.
ServerModeExceptionThrownEventArgs	Provides data for the LinqServerModeDataSource.ExceptionThrown event.
ServerModeInconsistencyDetectedEventArgs	Provides data for the LinqServerModeDataSource.InconsistencyDetected event.
SubstituteFilterEventArgs	Provides data for events that allow you to replace a data filter applied by an end-user.
UnboundColumnDataEventArgs	A base class for CustomDataEventArgs and CustomColumnDataEventArgs that supplies data for CustomUnboundData-related events.
UnboundSource	A data source used to supply and obtain a typed list of objects to data-aware controls in unbound mode.
UnboundSourceListChangedEventArgs	Arguments passed to the UnboundSource.UnboundSourceListChanging and UnboundSource.UnboundSourceListChanged events.
UnboundSourceProperty	Supplies information on a column of the UnboundSource‘s list.
UnboundSourcePropertyCollection	A collection of the UnboundSource‘s list columns.
UnboundSourceValueNeededEventArgs	Arguments, passed to the UnboundSource.ValueNeeded event.
UnboundSourceValuePushedEventArgs	Arguments, passed to the UnboundSource.ValuePushed event.
VirtualServerModeConfigurationInfo	Contains information on the sorting, filtering and summary configurations applied in the bound grid control.
VirtualServerModeGetUniqueValuesEventArgs	Provides data for the VirtualServerModeSource.GetUniqueValues event.
VirtualServerModeRowsEventArgs	Provides data for the VirtualServerModeSource.MoreRows and VirtualServerModeSource.ConfigurationChanged events.
VirtualServerModeRowsTaskResult	The type of the result for Tasks created in your VirtualServerModeSource.MoreRows and VirtualServerModeSource.ConfigurationChanged event handlers.
VirtualServerModeSource	A data source that features event-based data operations: async data load, sorting, filtering and infinite scrolling through records (in a bound Windows Forms GridControl).
VirtualServerModeTotalSummaryEventArgs	Provides data for the VirtualServerModeSource.TotalSummary event.

Interfaces

Name	Description
IBoundProperty	If implemented, provides an abstraction for an object’s bindable property.
IDataContainerBase
IDataSourceAssignable
IDisplayNameProvider	Provides methods that return custom names for the Field List items.
IParameter	If implemented by a class, provides functionality to a report parameter.
IRelationList	An interface that can be implemented by a data source to support master-detail relationships.
IRelationListEx	An extended version of the IRelationList interface, that can be implemented by a data source to support master-detail relationships.

Delegates

Name	Description
AsyncDownloadPolicy.WeakEventHandler<TEventArgs>
CustomSummaryEventHandler	Represents a method that will handle the GridView.CustomSummaryCalculate event.
CustomSummaryExistEventHandler	Represents a method that will handle the GridView.CustomSummaryExists event.
SelectionChangedEventHandler	Represents a method that will handle the ColumnView.SelectionChanged event.

Enums

Name	Description
ColumnSortOrder	Lists values specifying the sort orders.
CustomSummaryProcess	Specifies the current status of custom summary calculation.
ExceptionAction	Specifies how to resolve exceptions while performing an action.
SummaryItemType	Lists values specifying the aggregate function types.
SummaryMode	Contains values that specify how summaries are calculated - against all rows or for the selected rows.
UnboundColumnType	Contains values that specify the data type and binding mode of columns.