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DashboardOlapDataSource.ConnectionError Event

Allows overriding the default behavior when current connection parameters do not allow connecting to an OLAP cube.

Namespace: DevExpress.DashboardCommon

Assembly: DevExpress.Dashboard.v22.1.Core.dll


public event ConnectionErrorEventHandler ConnectionError

Event Data

The ConnectionError event's data class is ConnectionErrorEventArgs. The following properties provide information specific to this event:

Property Description
Cancel Gets or sets whether the operation performed on the processed event should be canceled.
ConnectionName Gets the name of the connection for which the event has been raised. Inherited from ConfigureDataConnectionEventArgs.
ConnectionParameters Gets or sets parameters used to establish a connection to data. Inherited from ConfigureDataConnectionEventArgs.
Exception Gets an exception that caused the ConnectionError event.
Handled Gets or sets whether default actions are required to connect to a data store.


The ConnectionError event is fired when current connection parameters do not allow connecting to a data store (for instance, the database is inaccessible). You can handle the ConnectionError event and override the default behavior in this case.

To override the default behavior, do the following:

To cancel connecting to the data store, use the ConnectionErrorEventArgs.Cancel property.

To get the exception that caused the event, use the ConnectionErrorEventArgs.Exception property.

See Also