This article describes some scenarios where a refresh occurs in WebForm Server 3.5.1, and some steps to avoid refreshes but still provide the same functionality.
From the Lotus Forms perspective, there are basically two ways to control field access based on a flag: Assuming one uses our API to insert a username, group, state, or mode, (some type of flag) into the form, then the form can then react to this setting if properties (like visible, readonly, ...