ObjectDataSource.BeforeFillGlobal Event

Occurs before filling an object data source, enabling you to provide custom validation for all object data sources in your application.

Namespace: DevExpress.DataAccess.ObjectBinding

Assembly: DevExpress.DataAccess.v24.2.dll

Declaration

C#

public static event BeforeFillEventHandler BeforeFillGlobal

VB.NET

Public Shared Event BeforeFillGlobal As BeforeFillEventHandler

Event Data

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

Property	Description
ConstructorInfo	Returns an object providing access to constructor parameters of an ObjectDataSource.
DataMember	Returns the data member specified for an ObjectDataSource.
DataSource	Returns the data source assigned to an ObjectDataSource.
IsValid	Specifies whether or not the object data source is valid.
Parameters	Returns a collection of method and constructor parameters of an ObjectDataSource.

Remarks

The BeforeFillGlobal event occurs before filling an object data source.

If the BeforeFillEventArgs.IsValid property returns false, a ValidationFailedException is thrown.

Important

BeforeFillEventArgs.IsValid is false if the object data source uses an untrusted data source type.

To validate a specific object data source, handle the ObjectDataSource.BeforeFill event.