# ContentPlaceHolder (RDLX Master Report)

The ControlPlaceHolder control is used to show the edit area when a Master Report is available.

## Content



The **ControlPlaceHolder** control is used to show the edit area when a Master Report is available. See [Master Report (RDLX Report)](/activereportsnet/docs/report-authors/design-reports/design-page-rdl-reports/create-use-master-report) page for complete information on usage and implementation.

![ControlPlaceHolder control in Master report](https://cdn.mescius.io/document-site-files/images/b298aea2-8cb8-4a0f-be88-4f54aa263ebd/images/contentplaceholder.png)