IModelOptions.DataAccessMode Property
Specifies the default mode used to access the collection of business objects in List Views when the IModelListView.DataAccessMode property is not initialized.
Namespace: DevExpress.ExpressApp.Model
Assembly: DevExpress.ExpressApp.v24.2.dll
NuGet Package: DevExpress.ExpressApp
#Declaration
[DefaultValue(CollectionSourceDataAccessMode.Client)]
[TypeConverter(typeof(DataAccessModeConverter))]
CollectionSourceDataAccessMode DataAccessMode { get; set; }
#Property Value
Type | Default | Description |
---|---|---|
Collection |
Client | A Collection |
Available values:
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. |
Data |
A lightweight read-only list of data records ( |
Instant |
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). |
Instant |
A lightweight read-only list of data records (Object |
Server |
A lightweight read-only list of data records (Object |
Queryable | The collection source constructs a query that the List Editor can modify to load only objects visible in the control. Only |
#Property Paths
You can access this nested property as listed below:
Object Type | Path to Data |
---|---|
IModel |
|
#Remarks
This property value is used as a default value for IModelListView.DataAccessMode.
Refer to the following topics for detailed descriptions of the available data access modes:
- Client Mode
- Queryable Mode
- DataView Mode
- Server, ServerView, InstantFeedback, and InstantFeedbackView Modes
When the DataAccessMode property is changed, all List Views, except for the autogenerated nested List Views, have their DataAccessMode property changed as well.
Note
All manually created List Views, including nested List Views, have the same IModel