You can use a meta tag with a refresh time of zero. Like this:
if ( session.getValue("waitPage")==null )
{
session.putValue( "waitPage", Boolean.TRUE );
PrintWriter writer = req.getWriter();
writer.println( "<HTML>" );
writer.println( "<HEAD><TITLE>Please wait</TITLE>" );
writer.println( "<META http-equiv="Refresh" content="0">" );
writer.println( "</HEAD>" );
writer.println( "<BODY>" );
writer.println( "<CENTER><H2>Please wait.....</H2></CENTER>" );
return;
}
else
{
session.removeValue( "waitPage" );
}
// Do your database pull here
// Until you send back data, browser will continue to show "please wait"
- Dave F.
> Dave Muehling wrote:
>
> Hello all.
>
> I have the folowing problem. I'm trying to create a "please wait while getting
>results" page during a database pull.
>
> Every time I try to insert code to bring up a page that says "please wait...", I
>either never get beyond that code (on the front end) or I get my results on the same
>page, at the same time, after a considerable wait.
>
> The DB takes approx. 30 sec. to do a very large query and I would like to have some
>kind of page come up to distract the user from this wait time.
>
> I think I need to somehow do a redirect, but how do I know when my page is done
>being built? And how do I keep track of users if I leave and come back? I looked into
>signing each result set with a session variable but couldn't figure it out.
>
> Please help.
>
> Dave Muehling
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