expressappframework-devexpress-dot-expressapp-db2dfd53.md
Contains values specifying the mode used to access a collection of business objects.
Namespace : DevExpress.ExpressApp
Assembly : DevExpress.ExpressApp.v25.2.dll
NuGet Package : DevExpress.ExpressApp
public enum CollectionSourceDataAccessMode
Public Enum CollectionSourceDataAccessMode
| Name | Description |
|---|---|
Client |
The entire record set required for the current List View is loaded into memory. All the data processing takes place on the client side.
|
| Server |
Data is requested from a data store in small portions that should currently be displayed. All data-aware operations are performed on the data server side.
|
| DataView |
A lightweight read-only list of data records (DevExpress.ExpressApp.EFCore.EFCoreDataView or XPView) is retrieved without loading complete persistent objects.
|
| InstantFeedback |
A List View’s control continues responding to a user’s actions while the data is being retrieved in a background thread (see Instant Feedback Mode).
|
| InstantFeedbackView |
A lightweight read-only list of data records (ObjectRecord) is retrieved without loading complete persistent objects. A List View’s control continues responding to a user’s actions while the data is being retrieved in a background thread.
|
| ServerView |
A lightweight read-only list of data records (ObjectRecord) is retrieved without loading complete persistent objects. Data is requested from a data store in small portions that should currently be displayed.
|
| Queryable |
The collection source constructs a query that the List Editor can modify to load only objects visible in the control. Only DevExpress.ExpressApp.Blazor.Editors.Grid.GridListEditor [deprecated] supports this mode.
|
The following properties accept/return CollectionSourceDataAccessMode values:
These enumeration values are used to set the IModelListView.DataAccessMode, IModelOptions.DataAccessMode and CollectionSourceBase.DataAccessMode property.
Refer to the following topics for detailed descriptions of the available data access modes:
See Also