Oh.. 1 & 2 are unrelated ... just slightly different approaches.
On May 3, 6:45 pm, "marius d." <marius.dan...@gmail.com> wrote:
> Well instead of open_1 use openOr so that you wont get exceptions when
> the Box is Empty. Also if you want when you to the redirect you could
> propagate those RequestsVars as well so that your browser re-send
> them. Now sure if this is what you'd want but should help avoiding
> Empty request vars. But what I'd do is:
>
> 1. Since you are doing redirect with state in the function passed to
> S.redirectTo you can set relevant values to your RequestVar's .. hence
> when your page is rendered your request vars have the old values
> potentially.
> 2. Use a StatefulSnippet and call redirectTo from the StatefulSnippet
> not S. Hence you can save state inside your snippet and when redirect
> happens, the same snippet instance would be used.
>
> Br's,
> Marius
>
> On May 3, 6:08 pm, Bryan <germ...@gmail.com> wrote:
>
> > I have a snippet that calls S.redirectTo with state. In this same
> > snippet class I have a few functions to show the values of the
> > processed RequestVar's. This works fine until I refresh the page,
> > because in these functions I call .open_! on some now Empty
> > RequestVar's. It is simple enough to show Text("") when the box is
> > not Full, but now I have a problem with the page not showing useful
> > data.
>
> > What are some suggestions for handling this? Should I just add code
> > to each of my many snippet functions to redirect to "/" when the
> > RequestVar's are empty?
>
> > Thanks,
> > Bryan
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