Well...you sort of can. Whether the method is supported or not is debatable.
I haven't blogged about this yet because I'm scared of the repercussions but... We have a timer job scoped as an application feature that deactivates/reactivates a list of defined CTs and then uses the technique described here<http://mkeeper.spaces.live.com/blog/cns!60F12A60288E5607!280.entry?ccr=2594&wa=wsignin1.0&sa=985733115> to update and push down field changes to the list level. You just upgrade your CT solution(s) and then run the job. It's not perfect, and for farms with a lot of site collections would no doubt become quite an intensive job, but for now it does the trick nicely. And only takes about 3 minutes to complete. Regards, Paul Online Developer, ICT CEO Sydney From: [email protected] [mailto:[email protected]] On Behalf Of Paul Turner Sent: Thursday, 15 October 2009 9:40 AM To: ozMOSS Subject: RE: CT feature - column definitions And you can't deploy updates to CT's with XML updates to your features :-( Regards, Paul Turner Senior Solutions Specialist M: 0412 748 168 P: 08 8238 0912 F: 08 8234 5966 A: 66 Henley Beach Road, Mile End SA 5031 E: [email protected]<mailto:[email protected]> W: www.dws.com.au [cid:[email protected]] ADVANCED BUSINESS SOLUTIONS LTD This email and any files transmitted with it are confidential and are only for the use of the person to whom they are addressed. If you are not the intended recipient you have received this email in error and are requested to delete it immediately. Any opinion expressed in this e-mail may not necessarily be that of DWS Pty Ltd. Please consider the environment before printing this email. From: [email protected] [mailto:[email protected]] On Behalf Of Paul Noone Sent: Thursday, 15 October 2009 9:08 AM To: ozMOSS Subject: RE: CT feature - column definitions Thanks Paul. That's what I've been noticing. It makes any governance of content types and site columns VERY, VERY difficult. You've really gotta hope that future versions will allow simple references to CTs and Site Columns for the list schema, without having to redefine them all over again! From: [email protected] [mailto:[email protected]] On Behalf Of Paul Turner Sent: Thursday, 15 October 2009 9:23 AM To: ozMOSS Subject: RE: CT feature - column definitions 1. You define your CT and deploy it. 2. Any list you create with it has a duplicate definition, although this is not strictly true as the list version of the definition has additional properties 3. The order you define them in the list is the order of the columns 4. If you alter the CT later and 'push down' changes the list columns will inherit the changes as long as they are not sealed/readonly 5. Column settings always override the CT but sometimes in weird ways (especially with Doc information panels) Regards, Paul Turner Senior Solutions Specialist M: 0412 748 168 P: 08 8238 0912 F: 08 8234 5966 A: 66 Henley Beach Road, Mile End SA 5031 E: [email protected]<mailto:[email protected]> W: www.dws.com.au [cid:[email protected]] ADVANCED BUSINESS SOLUTIONS LTD This email and any files transmitted with it are confidential and are only for the use of the person to whom they are addressed. If you are not the intended recipient you have received this email in error and are requested to delete it immediately. Any opinion expressed in this e-mail may not necessarily be that of DWS Pty Ltd. Please consider the environment before printing this email. From: [email protected] [mailto:[email protected]] On Behalf Of Paul Noone Sent: Thursday, 15 October 2009 8:27 AM To: ozMOSS Subject: CT feature - column definitions Hi all, Is anyone able to shed any light on where to fully define columns for a content type feature? Presently I have them defined as FieldRefs in the CT definition and also as Field elements in the column definitions. It "appears" as though the latter takes precedence and also inherits the full set of attributes from the Field Element (List - Definition) element. Is there any point in adding anything more than the field ID to the FieldRef element in the Ct definition?? Regards, Paul Online Developer, ICT CEO Sydney
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