On Wed, Apr 15, 2009 at 1:50 AM, Dhana <sldh...@gmail.com> wrote:
>
> I am using the jQuery Data method to store data for dynamically
> created elements. Everything works fine until I try to update the
> value of an attribute.
> This is how I first create the element.
>
>
> $j.data(item, 'attributes', {
> Name: name,
> UOM: uom,
> WarehouseKey: orderItem.WarehouseKey,
> OriginalPrice: orderItem.OriginalPrice,
> ReqDate: dsOrder.cleanupResults(orderItem.ReqDate),
> WarehouseItemKey: orderItem.WarehouseItemKey,
> AvailableQty: orderItem.AvailableQty,
> BOQty: orderItem.BOQty,
> Notes: dsOrder.cleanupResults(orderItem.Notes),
> Cost: orderItem.Cost,
> GP: dsOrder.cleanupResults(orderItem.GP),
> Description: dsOrder.cleanupResults
> (orderItem.description)
> });
>
> At a later point based on a user's interaction, the required date,
> note, and warehouse key gets updated.
>
> This is the first way I tried updating it, it doesn't store the value.
> $j(item, 'attributes.ReqDate', $j('#section_item #requiredDate').attr
> ('value'));
This doesn't work because the text after the dot (.) is the namespace of the
data attribute.
>
> Then I tried it like this
> $j.data(item, 'attributes', {
> 'WarehouseKey': $j('#<%=ItemWarehouseList.ClientId
> %>').val()
> });
>
> This overwrited all the other data stored in 'attributes'. Only
> WarehouseKey is then saved.
>
> Is there a way to change just one value without affecting the rest of
> the data?
Grab the hash, modify the value, then put it back:
var attr = $j.data(item, 'attributes');
attr.WarehouseKey = $j('#<%=ItemWarehouseList.ClientId%>').val();
$j.data(item, 'attributes', attr);
- Richard
