DropDownChoice has a lot of contructors. One of them, DropDownChoice(String id, IModel model, IModel choices, ...)
The first model, could be named "selectedModel". And represents the selected object, with a wicket model.
DropDownChoice has a lot of contructors. One of them, DropDownChoice(String id, IModel model, IModel choices, ...)
The first model, could be named "selectedModel". And represents the selected object, with a wicket model.