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PageCatalogPart Web Server Control Overview

The PageCatalogPart Web server control provides a catalog that keeps references to all WebPart controls (and other server controls that are contained in WebPartZoneBase zones) that a user has closed on a single Web Parts page. The user interface that is provided by the PageCatalogPart control enables the user to add the closed controls back to the page at run time.

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The PageCatalogPart control acts as a page catalog to maintain any controls that were previously added to the page and that a user has closed. Later, the user can add them back to the page. This control is visible only when a Web page is in catalog-display mode, which is a special view that lets users add and remove controls on the page. Only closed controls are added to the page catalog. Add a PageCatalogPart control to your page if you want to provide users with the flexibility of closing and reopening controls.

NoteNote:

If your page does not let users close controls, you do not have to add a PageCatalogPart control to the page.

For more information, see ASP.NET Web Parts Controls.

About Closed Controls

Users can close controls on a Web Parts page. A closed control has the following characteristics:

  • It is not visible on the page.

  • It is not rendered on the page.

  • It does not participate in page life-cycle phases.

Closing a control is different from deleting it, which permanently removes it from the page. A user can reopen a closed control instance from a page catalog, but after a user deletes a control, that control cannot be recovered.

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PageCatalogPart

Provides the class definition of the PageCatalogPart Web server control.

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