Redirecting To New Page Asp.net

I am having trouble trying to redirect to a new page after the button has been clicked. But this button also saves my datatable into an excel file. I want it to be able to save and

Solution 1:

Your OnClientClick should be in the following format.

OnClientClick="needToConfirm(); return false"

If this doesn't work there is an error in your JavaScript which is causing your c# code not to fire.