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Why can't I use the version utility to upgrade NetAdvantage controls

I  can't use the version utility to upgrade my  NetAdvantage controls.

My controls is belonged to version 9.2,I want to upgrade them to version 11.2. When I upgrade,some controls can't be upgraded   such as  WebGrid  WebCombo  WebDateChooser  and so on.and then The whole project can not be runned.

Are these controls can upgrade from version 10 to version 11 but can't upgrade from version 9 to version 11 ???