The value of the masterViewContext attribute specifies an element that has an xd:CtrLId attribute with a matching value in the HTML that represents a view of the form. For example, a masterViewContext attribute with a value of "myID" corresponds to the element that has a value of "myID" for its xd:CtrlId attribute.
Example
The following is an example of the masterViewContext attribute as it is used in the masterDetail element: