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There are several methods of doing this. For MVC the standard seems to be
using jQuery and JSON. For the "standard" method, it can be done a few more
ways. In fact, I am sure there is a better way than I am doing this, but
this works and it is quite quick. When I get some time, I can put together
an example in MVC to see what I did. Real slick!

--
Mike Wills
http://mikewills.me


On Thu, Dec 16, 2010 at 2:49 PM, Paul Holm <pholm@xxxxxxxxxxxxxxxxx> wrote:

Hi Mike,

Does ASP/.net provide a reusable component to handle this "parent/child"
drop down list challenge or do you have to code for each occurance?
This "parent/child" pattern is common in a lot of business apps we run
into. (IE Select a car mfg such as Ford or GM, then based on the
parent, show the models (F150, Explorer)

Thanks, Paul



Mike Wills wrote:
I figured it out finally! I found this:

http://inderpreetsingh.com/2010/10/14/javascriptjson-find-index-in-an-array-of-objects/

<
http://inderpreetsingh.com/2010/10/14/javascriptjson-find-index-in-an-array-of-objects/
The
problem with Kevin's solution is that the IDs will not be sequential or
they
can change.

From there these are the two lines that work:

var i = findIndexByKeyValue(jsonRequestType, "Id", key);
$.each(jsonRequestType[i].HourTypeCodes, function(i, item) {

--
Mike Wills
http://mikewills.me



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