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I created drop-down list like <select onchange="change()"><option>ddf</option>.......</select>.
I hit the DB and get the appropriate data when i change the value in drop-down list. Once the value in drop-down list is selected, i load the jsp page.
Here the problem is that if i select a value in drop-down list and then scroll the mouse, selected values are changing by scrolling the mouse. So that, it loads same jsp page multiple times by scrolling the mouse.
Since your page refreshes on change of value in the drop down(This refresh should happen the instant the value in the drop down is changed), is there a considerable time gap between the value selection of the value in the drop down and the submit, that gives the user time to scroll the mouse, before the page is submitted?