Hi
i have a problem with a combo. I have 3 tables "productType","product"
and "sales". So when i select a "productType" it appears a combo with
the products of that type. My problem is when i want to select a
product and i want the sales of that product.
Here is my code:
Controller:
def index():
productType = db().select(db.productType.ALL)
return dict(productType=productType)
def getproduct():
productType = request.vars.values()[0]
product = db(db.product.productTypeId == productType).select()
return SELECT(_id='product',*[OPTION(product[i].nProduct,
_value=str(product[i].id)) for i in range(len(product))])
-->Here, i think i have to return 2 values, the combo and the product.
But i dont know how to return both values.
-->The other problem is where i have insert the ajax, so when i do the
onChange it redirects to getsales.
def getsales():
product = request.vars.values()[0]
sales = db(db.sales.productId == product).select()
return SELECT(_id='sales',*[OPTION(sales[i].nSales, _value=str
(sales[i].id)) for i in range(len(sales))])
-->What changes i have to do in the view.
View:
{{extend 'layout.html'}}
<table>
<tr>
{{=SELECT( _id='productType', _onChange="ajax('"+URL
(r=request,f='getproduct')+"'
, ['productType'], 'target');", *[OPTION(productType
[i].nProductType,_value=str(productType[i].id)) for i in range(len
(productType))] )}}
</tr>
<tr>
<div id="target"> <div>
</tr>
</table>
-->I think another way to do it. but i dont know if this is posible.
Create the combo in the view, and when i select a productType, i want
to execute a function in the controller wich receive the
productTypeId, i do a select and the other combo appear with the
data.
I hope you can help me. Thanks a lot.
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