how to automatically remove browser cache?

hi i am using ajax auto complete function in one of my forms. But my problem is over a period of time these suggestions gets stored and , instea开发者_如何学运维d of ajax auto complete list browser's suggestion list comes which hides my ajax list. how can remove this browser cache? and will this remove my session variable also.

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It may be enough to just set your Form's autocomplete to off:

See more here: How do you disable browser Autocomplete on web form field / input tag?, https://developer.mozilla.org/en/How_to_Turn_Off_Form_Autocompletion