I have a requirement to be implemented. The functionality should be same as like Google calender guest invitation. The Application is all about workshop scheduling. When there is new workshop identified mails would be sent to all the members of the application. The mail would have following there html buttons,
all the members would give their wish. When a members clicks yes/no/maybe only the status should be updated in our data base server. New tab or new window should not get opened or the page should not get posted. we have tried with web service by assigning the web service url to buttons but when button is clicked the web service url gets opened in new tab. Any ideas to over come this issue.