Many thanks, Marius, it works.
If error is returned, URL is with action "preview" and entered data are
still not saved.
Valdis
  Hi Valdis,
 Did you try adding a hidden input to your form that submits the sheet?
 <input type="hidden" name="sheet"
value="$!escapetool.xml($request.sheet)" />
 This way when the save action is 'rendered', because the validation
 failed, the sheet manager can see the sheet parameter on the request.
 I haven't tested though. You may have an issue if your sheet is bound
 to the edit action (in case you added a sheet descriptor object) since
 the action will be 'save' when the validation fails, I think. To be
 tested.
 Hope this helps,
 Marius
 On Sat, Oct 26, 2013 at 4:13 PM, Valdis Vītoliņš <valdis.vitolins(a)odo.lv> wrote:
 > In general I use custom edit sheet passed as a get/post parameter as
 > described in 
http://extensions.xwiki.org/xwiki/bin/view/Extension/Sheet
 > +Module
 > and validation with groovy according to:
 > 
http://platform.xwiki.org/xwiki/bin/view/DevGuide/Creating+a+form+with
 > +validation+and+tooltips
 >
 > Problem is that after validation error default sheet is used.
 > What could be means to return to previous dynamically passed sheet?
 >
 > Thanks in advance!
 > Valdis
 >
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