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Background documentationURL Isolation Method Locate this document in the navigation structure

 

When you set an iView's Isolation Method property to URL, the iView is written into an iFrame, which is inserted into a container on the page.

Each iFrame works independently. One iFrame can run a script, for example, or any other event, without interfering with the content in the other iFrames, although iViews can interact through client-side events.

Features and Implications

  • iViews are not encoded in the page HTML

    • Page Builder generates an iFrame and sets the source attribute to point to the iView URL

    • iView content is generated after an additional server request

    • Page Builder writes content into the iFrame on the client side

  • Interactions and reload actions on the iView do not affect the rest of the page

  • Flicker-free pages

  • Enhanced performance

  • Page Builder has full control over the appearance of the iView content

    • Page determines iFrame size

    • Administrator has three page settings to control iView height:

      Fixed / Full Page / Automatic

    • Page can add vertical and horizontal scrollbars to iFrame

  • Supports only client-side events

"Parameters to Pass from Page Request" Property

An iView that is set to the URL isolation method is isolated from the page request and does not automatically receive the parameters from the page request.

The Parameters to Pass from Page Request property lets you define a set of URL-based parameters that should be forwarded from a portal page request to the iFrame displaying the current iView.

Use this property to define page request parameters as follows:

Property Value

Description

Asterisk (*)

Passes all parameters

Empty field

Does not pass any parameters

Asterisk, comma, and parameters separated by a comma (*,param1,param2)

Passes all parameters, except for those listed

Parameters separated by a comma (param1,param2)

Passes the listed parameters
Limitations

Caution Caution

Content-loading events on embedded iViews cause the loss of iViews that are in iFrames. It is not recommended that you put embedded and isolated iViews on the same page.

EP5.0 iViews are URL-isolated iViews. To support EP5.0 iViews, add them to pages that contain only URL-isolated iViews.

End of the caution.