jquery onclick and server side.

Trying use a jquery onclick event and serverside button submission one work without the other. need both to work at the same time.

  $(document).ready(function () {
           $('[id$="txtSubmit"]').each(function (index, button) {
           var oldClickHandler = button.onClick;
           $(button).click(function (clickEvent) {
alert("work");
   oldClickHandler.call(button, clickEvent);
           });
       });
       });

Select allOpen in new window

<asp:Button runat="server"    ID="txtSubmit" Text="Next" />
 Protected Sub txtSubmit_Click(sender As Object, e As EventArgs) Handles txtSubmit.Click
function work here
response.write("function started")
End sub