DashboardXpoDataSource Class
Retrieves data from XPO (eXpress Persistent Objects).
Namespace: DevExpress.DashboardCommon
Assembly: DevExpress.Dashboard.v20.1.Core.dll
NuGet Packages: DevExpress.Dashboard.Core, DevExpress.WindowsDesktop.Dashboard.Core
Declaration
public class DashboardXpoDataSource :
XPObjectSource,
IDashboardDataSource,
IDashboardComponent,
IComponent,
IDisposable,
ISupportInitialize,
ISupportPrefix,
IDashboardDataSourceInternal,
IExternalSchemaConsumer,
IFederationDataProvider,
IXpoDataSourceInfo,
ICloneable<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.
Select the Data Source Type
Choose an 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
Example on GitHub: How to Bind a Dashboard to the XPO Data Source at Runtime
The code sample below illustrates how to connect to the XPO data source.
using DevExpress.DashboardCommon;
// ...
public static DashboardXpoDataSource CreateXpoDataSource()
{
DashboardXpoDataSource dataSource = new DashboardXpoDataSource()
{
ConnectionStringName = "northwind"
};
dataSource.SetEntityType(typeof(nwind.Customers));
return dataSource;
}