General Information
.NET Subscription
Desktop
Web
Controls and Extensions
Mainteinance Mode
Enterprise and Analytic Tools
Quality Assurance and Productivity
Frameworks and Libraries
DashboardXpoDataSource Class
Retrieves data from XPO (eXpress Persistent Objects).
Namespace: DevExpress.DashboardCommon
Assembly: DevExpress.Dashboard.v19.2.Core.dll
Declaration
public class DashboardXpoDataSource :
XPObjectSource,
IDashboardDataSource,
IDashboardComponent,
IComponent,
IDisposable,
ISupportInitialize,
ISupportPrefix,
IDashboardDataSourceInternal,
IExternalSchemaConsumer,
IFederationDataProvider,
IXpoDataSourceInfo,
ICloneable<DashboardXpoDataSource>Public Class DashboardXpoDataSource
Inherits XPObjectSource
Implements IDashboardDataSource,
IDashboardComponent,
IComponent,
IDisposable,
ISupportInitialize,
ISupportPrefix,
IDashboardDataSourceInternal,
IExternalSchemaConsumer,
IFederationDataProvider,
IXpoDataSourceInfo,
ICloneable(Of DashboardXpoDataSource)Remarks
The DashboardXpoDataSource allows you to obtain data that XPO ((eXpress Persistent Object) retrieves from a data source.
Design Time
To connect to the XPO data source, perform the following steps.
Click the New Data Source button in the Data Source ribbon tab.
On the first page of the invoked Data Source Wizard dialog, select eXpress Persistent Objects (XPO) and click Next. The wizard allows you to specify the entity type.
Runtime
Instantiate the DashboardXpoDataSource object and use the ConnectionStringName property to specify the name of the connection string defined in the application configuration file.
Pass the persistent object type to the SetEntityType method.
Note
The complete sample project How to Bind a Dashboard to the XPO Data Source at Runtime is available in the DevExpress Examples repository.
The code sample below illustrates how to connect to the XPO data source.