You can find the answer here:
http://jumpstart.doublenegative.com.au:8080/jumpstart/examples/tables/gridwithdeletecolumn1
2009/5/16 R. Duval <rdg.du...@ibest.com.br>
>
> TFolks,
>
> I'm trying to use a form with multivalued parameters in tapestry but I'm
> not
> sure if it supports this kind of feature or how it does. I searched the web
> for some clues but couldn't find any decent information about multi
> parameters request using this framework.
>
> The problem is I'm generating a grid and in one cell I'm using a TextField
> which is supposed to be multivalued, this way
>
> <!-- Template code -->
> <t:Form t:id="someForm">
> <t:Grid t:source="myObject.myList" t:row="item">
> <t:Parameter name="specialValueCell">
> <t:TextField t:size="5" t:value="newSpecialValue" />
> </t:Parameter>
> </t:Grid>
> <div style="text-align: center;">
> <input type="submit" value="Submit" t:type="Submit"
> t:id="submitButton" />
> </div>
> </t:Form>
>
> My page's java component:
>
> ...
> // All properties, like myObject, item and their setters and getters
> ...
> // I tried a collection of strings like Struts2 but got an exception.
> private String newSpecialValue;
>
> // Of course it only prints the last newSpecialValue value.
> @OnEvent(component="someForm", value=EventConstants.SUBMIT)
> void onSubmitForm() {
> System.out.println("New Special Value: "+newSpecialValue);
> }
> ...
>
> Trying to set the newSpecialValue as a Collection<String> (something like
> WebWork OGNL type conversion) gave me an exception: Render queue error in
> BeginRender[Index:textfield]: Parameter 'translate' of component
> Index:textfield is bound to null. This parameter is not allowed to be null.
>
> If anyone has any clue or a link with information I'd be very glad.
> --
> View this message in context:
> http://www.nabble.com/Tapestry-5.1-and-multivalued-parameters-tp23569222p23569222.html
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
>
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