List of controls that can be disabled or set to read-only by using conditional formatting The following table lists the Office Info Path 2007 controls that can be disabled or set to read-only by using conditional formatting and whether the controls are available for browser-compatible form templates. Lists["Project Metrics"] #Get the Field $Field = $List.From the sprint backlog, the sum of all Remaining Work defined for all tasks is displayed for the parent work item.This value will also display on the parent work item card when you view the task board.If you have SQL Server Analysis Services deployed, you can get rollup for backlog items from these reports.The refresh frequency for these reports is 2 hours.displays non-accessible fields in edit forms as read-only items.Modules like the essential Field Permissions allow to make fields non-accessible by completely hiding them in edit forms even if user has the permission to view them.
If you need to add fields or change how fields are mapped, see Customize the field mapping.
To learn how, see Rollup estimated and actual work.
You can export a query to Excel that contains the work items you want to provide rollup.
Alternatively, you can create a Field with Read Only Property and add the field wherever required.
See more at: Create Site Column Feature for Share Point 2010 However, these methods not satisfying our requirement.