Hi sandeep,
The effekt that occurs is, that tapestry tries to provide a loop
context/state for the enclosing form. You need this if you have any fields
in your loop.
If you don¹t want/need to provide a context you may mark the loop as
voliatile. This looks like:
<t:loop source="mYlist" value="prop:MyDataObject" volatile=²true²> ...
</t:loop>
Otherwise you'll have to provide a form state. I guess it would look like
<t:loop source="mYlist" value="prop:MyDataObject"
volatile=²MyDataObject.someID²> ... </t:loop>
The tapestry error message in this case is - IMHO - improvable ;-)
Regards
Niclas
On 30.10.09 08:31, "sandeepraj singh" <sandeepraj.si...@atosorigin.com>
wrote:
>
>
> Hi All,
> I have the following
>
> In MyComponent.tml
> <t:loop source="mYlist" value="prop:MyDataObject">
>
> ${MyDataObject.someothervariable} </li>
>
> </t:loop>
>
> Ofcourse there is supporting code for the same in MyComponent.java. ie.
> having an istance variable of MyDataObject etc.
>
> In my Page, there are 2 cases
> 1) I use the component without an enclosing form. In this case the component
> works abs fine.
> 2) I use the component with an enclosing form. In such a case ,i recieve
> co-ercion error because of the context value that is being passed and is
> mapped to MyDataObject. The error is recieved only when the Enclosing FORM
> IS SUBMITTED.
>
> For scenario 2, i make a contribution to TypeCoercer to force creation of
> MyDataObject so that the problem is solved. But can any one think of a
> better way. A way in which some code in My Component takes care of the
> problem rather than a contribution inthe service.
>
> Thanks
> sandeep
> --
> View this message in context:
> http://old.nabble.com/How-to-avoid-contribution-to-TypeCoercer-in-my-case.-tp2
> 6126002p26126002.html
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
>
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