Jim ruther Nill wrote in post #1079179:
> On Wed, Oct 10, 2012 at 5:01 PM, KUL KING <kulking...@gmail.com> wrote:
>
>>> And when user clicks on the "Add new option". A pop up dialog appears to
>>> add a new value. And when I click create it hits the database and adds the
>>> value to the db.
>>>
>>> But It never updates the dropdown list. Suggest me a way to auto refresh
>>> only the current dropdown with the new vales in db when a new value is
>>> added.
>>>
>>
> It is possible to do this via ajax as KUL KING has said but you don't
> need
> to render the whole html. just return a json data with the id of
> the new option. Then just append an option tag on the dropdown.
>
>
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> --
Jim,
Just return a json data with the id of the new option. Can you explain
with some coded examples.
My coffee script code looks like this:
After directing to a dialog:
root.add_new_item = ->
val1 = document.getElementById("item_name").value
val2 = document.getElementById("item_id").value
$.ajax
type: "POST"
url: "/items.json"
data:
item:
name: val1
item_id: val2
dataType: "json"
success: (msg) ->
alert "Item saved" + msg.name
"I guess here I have to add changes to make dropdown refresh"
error: (msg) ->
alert "Item already exists"
Ram
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