IDataSourceDesigner Interface

Reference

Definition

Namespace:: System.Web.UI.Design

Assembly:: System.Design.dll

Important

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Defines the basic functionality for a data source designer.

public interface class IDataSourceDesigner

public interface IDataSourceDesigner

type IDataSourceDesigner = interface

Public Interface IDataSourceDesigner

Derived: System.Web.UI.Design.DataSourceDesigner

System.Web.UI.Design.WebControls.SiteMapDataSourceDesigner

System.Web.UI.Design.WebControls.XmlDataSourceDesigner

Remarks

The IDataSourceDesigner interface defines an interface through which you can implement basic services for a data source designer. A designer is only active at design time, and must be associated with a data source, using a DesignerAttribute, in order to be loaded when a data source of the associated type is created at design time.

The IDataSourceDesigner interface provides methods and properties that you can implement in order to provide custom behavior at design time.

A designer can also use the available design-time services to perform a variety of tasks, including surveying the current design-time environment for components and their properties, reading and setting the values of properties of components, managing the toolbox, managing selected components, or displaying a user interface that can be used to configure values or to apply further processing.

In most cases, implement your custom designer for a data source by deriving it from the DataSourceDesigner class. Data sources whose associated designer does not derive from DataSourceDesigner are displayed in the component tray. The DataSourceDesigner class implements the IDataSourceDesigner interface and provides additional design-time support that may be of use to authors of designers. For more information, see the reference documentation for these classes.

For an overview of creating design components, see Extending Design-Time Support.

Properties

CanConfigure	Gets a value that indicates whether the Configure() method can be called.
CanRefreshSchema	Gets a value that indicates whether the RefreshSchema(Boolean) method can be called.

Methods

Configure()	Launches the underlying data source's configuration wizard.
GetView(String)	Gets the DesignerDataSourceView for the specified view.
GetViewNames()	Gets the names of the views in the underlying data source.
RefreshSchema(Boolean)	Refreshes the schema of the underlying data source.
ResumeDataSourceEvents()	Resumes raising data source events after calling the SuppressDataSourceEvents() method.
SuppressDataSourceEvents()	Suppresses all events raised by a data source until the ResumeDataSourceEvents() method is called.

Events

DataSourceChanged	Occurs when a data source has changed in a way that affects data-bound controls.
SchemaRefreshed	Occurs when the fields or data of the underlying data source have changed.

Applies to

Delen via