If you clear your browser cache this is an expected behaviour. However you could save the RadGrid settings by using GridSettingsPersister
. That way you will be able to retrieve you filter values. For more information about GridSettingsPersister
I suggest you take a look at the following help topic
demo which demonstrates its usage.
In case this suggestion does not help I would suggest you to share the whole page markup as well as the related code behind so we could further investigate the issue and do our best to provide a proper solution.
All the best,
the Telerik team
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