On Thursday 02 March 2006 20:30, matt wear wrote:
> Hi all. I'm new to tapestry and have been having problems creating a
> simple listing page. The page lists our companies clients and I keep
> getting a Binding Exception. If someone could please look at the code
> snippets below and point me in the right direction on this I would very
> much appreciate it. Thanks.
>
> - Matt
>
> This is the error I get:
> org.apache.tapestry.BindingException
> Unable to update OGNL expression '<parsed OGNL expression>' of
> [EMAIL PROTECTED] to
> [EMAIL PROTECTED]: $ClientList_3.client
I think this means that your @For loop can't bind its value parameter to
"ognl:client"
What you need is ...
>
>
> This is a snippet from my ClientList.html: (line 8 is the one causing
> problems).
>
> 8 <tr jwcid="@For" source="ognl:clients" value="ognl:client" element="tr">
> 9 <td><span jwcid="@Insert" value="ognl:client.companyName">company
> name</span></td>
>
>
> This is a snippet from ClientList.java
>
> public abstract class ClientList extends BasePage
> {
> @InjectObject("spring:clientService")
> public abstract ClientService getClientService();
public abstract Client getClient(); // provide a property for the for
loop
to write its variable to
>
> public List getClients()
> {
> return getClientService().getClients();
> }
> }
>
> And finally a snippet from Client.java
>
> public class Client implements java.io.Serializable
> {
> private Integer id;
> private String companyName;
>
> public String getCompanyName() {
> return this.companyName;
> }
>
> public void setCompanyName(String companyName) {
> this.companyName = companyName;
> }
> }
>
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--
Alan Chandler
http://www.chandlerfamily.org.uk
Open Source. It's the difference between trust and antitrust.
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