We solved a similar problem by creating a view that calculated the field instead of using a transient field.
Then we just mapped the view as a read only object and all the sorting worked. -Tony On Jul 11, 2011, at 7:28 PM, Richard Yunhua Sang wrote: > Thanks for your reply, but I do want to sort the result by transient field > in Grid. It would be appreciated that the JPAGridDataSource is able to sort > the result within JVM. > > On Mon, Jul 11, 2011 at 5:29 PM, Thiago H. de Paula Figueiredo < > thiag...@gmail.com> wrote: > >> On Mon, 11 Jul 2011 18:06:17 -0300, Richard Yunhua Sang < >> yunhua.s...@gmail.com> wrote: >> >> Hi there, >>> >> >> Hi! >> >> >> I am using a Grid with JpaGridDataSource; when I click sort icon on a >>> transient field of an entity, I get following exception: >>> >> >> I don't think any GridDataSource implementation backed by a database would >> be able to handle transient properties, so you should set their >> corresponding PropertyModel's as unsortable. To get the PropertyModel, >> create a BeanModel for you entity class using the BeanModelSource service >> and use its get() method. >> >> -- >> Thiago H. de Paula Figueiredo >> Independent Java, Apache Tapestry 5 and Hibernate consultant, developer, >> and instructor >> Owner, Ars Machina Tecnologia da Informação Ltda. >> http://www.arsmachina.com.br >> --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
