I have a act_as_tree model ,I want to show it in several select box,the height of the tree is unknow ,and can be different,how can I do this in AJAX? Just like I select a country in a select box,the coming select box is to select a state,but my case is more complicated. Thx
kaiye85@gmail.com wrote:
I have a act_as_tree model ,I want to show it in several select box,the height of the tree is unknow ,and can be different,how can I do this in AJAX? Just like I select a country in a select box,the coming select box is to select a state,but my case is more complicated. Thx
You may be able to do some cascading select boxes, but you probably should consider using an autocomplete field instead (depending on your data).
See...
http://www.sciwerks.com/blog/2006/09/13/cascading-selects-vs-auto_complete/ and http://www.sciwerks.com/blog/2006/07/07/updating-select-controls-with-ajax/
_Kevin
THX! I read the post of 'Updating 'select' controls with AJAX',that's very helpful.I've done this by adding :onChange => "new Ajax.Updater in my view but not krjs,that's more complicated but it works.now I have an unknow depth of tree of the model .that's I don't how many select box should be placed in the view.then how to ?
