I have a DetailView which, with heavy tab usage, has roughly 400 fields on it. No users see all the fields, I'm using AppearanceRules to selectivly hide entire tabs worth of fields, based on the user's group membership.
My problem is that, once above roughly 300 non-hidden fields, typing in simple text boxes begins to slow down. By roughly 375 fields, a reasonable typest can be at least a sentance ahead of the display when typing 3 sentances of text. Also, while the typing and catchup is happening, the program will max-out a CPU. The textbox I've used for testing is one without any formatting, validation or calculations.
I'm most concerned about the cause of the CPU utilization - without any validation or calculations in play, do you have any suggestions on what may be causing it?
I'd appreciate any suggestions
--Will