DataBoundControl.ValidateDataSource Method (Object)

 

Verifies that the object a data-bound control binds to is one it can work with.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

protected override void ValidateDataSource(
	object dataSource
)

Parameters

dataSource
Type: System.Object

An object set to the DataSource property.

Exception Condition
InvalidOperationException

The object passed by the dataSource parameter is not null or a recognized type.

The ValidateDataSource method is only called in the BaseDataBoundControl class's mutator (set accessor) for the DataSource property. The DataBoundControl class checks the type of the object that is set for the DataSource property to ensure that it is an instance of the IDataSource, IListSource, or IEnumerable interface.

.NET Framework
Available since 2.0
Return to top
Show: