Re: How to prevent stop back button calling myurl?mode=del&customer=name

"Helen Lord" <helen.lord@staff.smartgroups.com> wrote in message news:39773F62.E43D9C7A@staff.smartgroups.com... > Hi, > > I have a form where customer names are displayed as a hyperlink to allow > editing, deletion etc..., e.g. > http://mysite.com/main/customer.php?mode=del&customer=name > > I click on the "delete customer X" link and everything works as it > should and X gets deleted. > > If I then click the back button on my browser, I recall this url and it, > not-surprisingly :-), tries to repeat the same operation. Is there > anyway to prevent this? > If $customer doesn't exist { This customer has already been deleted } else { delete customer } Setting a persistent (read session) variable of some sort indicating who was just deleted would be even better, as checking to see if the customer was deleted probably requires a database access or two. > I have tried many header options for disabling caching but this is not > the HTML I am trying to stop being cached, it is the URL itself. Caching is not the problem ... > > This is not an uncommon way to provide actions to users, so somebody > somewhere must have worked out how do this - surely ;-) It would apply > to CGI, ASP, ColdFusion and any other serverside language as well, it's > just that I'm using PHP. The language isn't the problem either. > > I have tried this with IE5 and Navigator 4.73 > Ain't the browser either. -- O.