Hi David,
A Stale Link Exception usually occurs when data changes between the
rendering phase and form submission. In other words if any components in
the page are modified dynamically for instance you might encounter this
when you submit because the rewind has no recollection of those
components. (References to the components are stored in a hidden field,
so when the page submits these are checked, if there are more or less
fields then the stale link exception is thrown). You should take a look
at the hints section of the documentation of the For component:
http://tapestry.apache.org/tapestry4.1/components/general/for.html
Back to your question, it is possible to have multiple textfields, but
because you are generating them on the fly the stale link exception
occurs... a quick fix could be to set the parameter volitile=true,
which prevents the component reference in a hidden field, but you need
to be carefull using this because form structure will be different for
render and rewind.
Lastly, also be aware of the data types you use, if you are binding
objects directly to the component then use a converter
(IPrimaryKeyConverter
http://tapestry.apache.org/tapestry4.1/tapestry-framework/apidocs/org/apache/tapestry/components/IPrimaryKeyConverter.html).
good luck,
Peter
david joffrin wrote:
Hi,
I have defined something like:
tr jwcid=@Foreach
source=ognl:accountFieldDefinitionsList
value=ognl:accountFieldDefinition index=ognl:index element=tr
tr
td bgcolor=#EAEAF7 colspan=2img
border=0 src=images/spacer.gif width=1 height=3//td
td bgcolor=#EAEAF7img border=0
src=images/spacer.gif width=1 height=3//td
/tr
td bgcolor=#EAEAF7font
color=#FF/font /td
td bgcolor=#EAEAF7
ba jwcid=@Insert
value=ognl:accountFieldDefinition.fieldName/:/b
/td
td bgcolor=#FF
input jwcid=@TextField
value=ognl:fieldValue size=20 maxlength=8/
/td
/tr
trtd bgcolor=#FF colspan=3img
border=0 src=images/spacer.gif width=1 height=3//td/tr
tr
td colspan=2input jwcid=@Submit
value=Cancel type=button listener=ognl:listeners.onCancel
class=buttons//td
td align=rightinput jwcid=@Submit
value=Confirm type=button listener=ognl:listeners.onConfirm
class=buttons//td
/tr
I am trying to implement a list of TextField.
When I press the Submit button, I have the Stale Link error page coming!
Any idea why it is not possible to have multiple TextField in a page?
Thanks.
DvJ
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