I'm using Salesforce Classic. I've created a custom object called Proposal. Users view/edit this object via a page layout. I've embedded a Visualforce page in the layout. However, the fields in the Visualforce page are editable when users are viewing the custom object. I'd like the Visualforce page to be in read only mode when users are not editing the custom object. Is this possible?
To display a page in read-only mode you can use page attribute as follows:
<apex:page controller="myController" readOnly="true"> <apex:page>
Secondly, change the
Other advantage is query limit is getting increased from 50,000 rows to 1,000,000 rows.
While Visualforce pages that use read-only mode for the entire page can’t use data manipulation language (DML) operations, they can call getter, setter, and action methods which affect form and other user interface elements on the page, make additional read-only queries, and so on
Also, Visualforce controller methods with the
@ReadOnly annotation automatically take advantage of read-only mode.
For more information refer Setting Read-Only Mode for an Entire Page
You can create a routing page, which will make the decision if editable or read-only page to be displayed.
Lets's say routing page is =
In this page onload, you can take the URL and decide if this is to be navigated to read-only page or editable page.
Create 2 visualforce pages one for
read-only and other for
And finally embed the
VFRouting.page in page layout.