Item11124: Allow indirect (linked) columns

I think we can just extend the columns param, Eg.

%GRID{
  form="PersonForm"
  columns="FirstName,LastName,Project,Project/Description,Project/Funding"
}%

Need to make "linked" cells read-only

-- PaulHarvey - 12 Sep 2011

Should already work using the DBCacheConnector using something like Project@Description given that Project points to a web.topic.

-- MichaelDaum - 12 Sep 2011

Sounds interesting. However, I don't know how to really implement this into my GRID...

-- PhilippLeufke - 25 May 2013

These two issues are related, I think: Support.Question1301 and Item10903

-- PhilippLeufke - 25 May 2013

Can this be confirmed, or no-actioned? Trying to reduce the size of the NewItems list.

-- GeorgeClark - 24 Dec 2014

There are some innate limitations in this plugin as formatting and filtering happens on the client side, while talking to the backend REST handler. There are a couple of pre-defined connectors that fit most of the use case. In case you need any custom formatting you will have to implement a REST handler yourself and provide it as an URL parameter. This isn't that hard to do as a wiki app in a named section.

Any better option other than that needs a developer to enhance the existing connectors.

-- MichaelDaum - 09 Sep 2016

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