Javascript - History.go(-1) Function Not Refreshing Server Side Controls?

Dec 30, 2010

I am using a dropdown, a devexpress grid view and a button on my page.

My gropdown contains the months in the format MM/YYYY, and on dropdown's selection change the data binds in the grid view.

the functionality of button is to go on previous page as same as back button of browser.

Now, my prob is that if i select any month and then select another month, the data changes.
but now when i click on back button having onclick ="history.go(-1)", changes the data on the grid view but the month in the dropdown remains the same.

For example:

Suppose, first i have month selected as 02/2010. At this time the data in grid view is for exapmle 01234

now when i select month 03/2010 the data in grid changes to 56789

now when i click on back button, then data in grid changes to 01234 but the month in dropdown remains to 03/2010.

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