using one data type in a second

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Sean Farrow 22 posts 42 karma points

Oct 30, 2012 @ 15:18

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Using one data type in a second

Hi:

I'm currently working with a client, who need to filter data in listboxes.

I need to write my own data type to contain all information, as the inforamtion is related to a course.

I was wondering whether I'd have to write all the controls or whether I could use things from uCompontnet, I'm specifically thinking the sql dropdown list.

I'm writing data types using classes.

Any help apreciated.

Chers

Sean.

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Tom Fulton 2030 posts 4998 karma points c-trib

Oct 30, 2012 @ 15:21

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Hi Sean,

Can you elaborate on what you need the datatype to do?

SQL Dropdown List will give you a dropdown list populated from a DB/query of your choice.

-Tom

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Sean Farrow 22 posts 42 karma points

Oct 30, 2012 @ 18:26

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Hi:

Ok, I have a list of countries, using the counry picker from UComponents, After the user selects a country, (how is this stored?) I then need to feed the selection to a list of valid qualifications (gcse's/a-levels) pertinant to the selected counry. This kind of thing carries on, either with sql from a database or possibly from an ajax/webservice call.

Any help apreciated.

I'd like to write this using classes if possible.

Cheers

Sean.

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SC Digital Services Team 104 posts 171 karma points

Oct 31, 2012 @ 12:37

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I've built something similar recently & Mike Taylor's and Tim Geyssens blogs helped a lot -

http://umbraco.miketaylor.eu/2011/02/10/creating-a-custom-data-editor-setting-type/

http://www.nibble.be/?p=96

Also this forum thread was useful for retrieving prevalues in existing data types... http://our.umbraco.org/forum/developers/api-questions/27470-Get-list-of-all-datatypes-of-type-rich-text-edit

... and the source code of the Opening Hours project shows how to structure your data using classes: http://our.umbraco.org/projects/backoffice-extensions/openinghours

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