I think designer lead development is fraught with danger.Especially of the M$ variety with it's format being Xml.My last experience was with SSIS which was very painful.The minute you need to something the designer can't do or change the source, you have had it.Is it not possible to use EF without the [EMAIL PROTECTED]> Date: Thu, 28 Aug 2008 10:52:29 +0100> From: [EMAIL PROTECTED]> Subject: Re: [ADVANCED-DOTNET] Entity framework designer too clever for it's own good...> To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM> > I can force the designer to split it into 2 by adding a dummy field on> Composite...not ideal.....> > I expect I can hand code it, but I think that's beyond me, and despite> not being a fan of wizards, I actually think (from experience with> datasets) that one of the biggest selling points is the rapid> creation/recreation of typesafe schemas.> > (For the moment I'll add a dummy field).> > > > -----Original Message-----> > From: Discussion of advanced .NET topics. [mailto:ADVANCED-> > [EMAIL PROTECTED] On Behalf Of Nicholls, Mark> > Sent: 28 August 2008 10:48> > To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM> > Subject: [ADVANCED-DOTNET] Entity framework designer too clever for> it's> > own good...> > > > Hello,> > > > not sure this is a sensible place to post this, but I'll give it a do.> > > > I've got a problem implementing something similar to the composite> > pattern in the entity framework using single class = single table> > inheritance.> > The composite can only have 1 child.> > > > We've got a table> > > > Component> > ComponentID int (primary key, auto increment) (identity)> > > > Composite> > ComponentID int (PK and FK into ComponentID) (identity)> > PartID int (FK into ComponentID)> > > > > > Now put it through the import 'wizard' and it's too clever by> half...i.e.> > it doesn't do what I want it to...> > > > It basically creates a single entity called Component, and then makes> the> > partID a self reference, there is no Composite Entity...> > > > While this makes logical sense, Composites are just Components with a> > reference and Non Composites are ones with none...it's not what I> want.> > > > Any ideas?> > > > ===================================> > This list is hosted by DevelopMentor(r) http://www.develop.com> > > > View archives and manage your subscription(s) at> > http://discuss.develop.com> > > > CONFIDENTIALITY NOTICE> > This e-mail (and any attached files) is confidential and protected by > copyright (and other intellectual property rights). If you are not the > intended recipient please e-mail the sender and then delete the email and > any attached files immediately. Any further use or dissemination is > prohibited.> > While MTV Networks Europe has taken steps to ensure that this email and > any attachments are virus free, it is your responsibility to ensure that > this message and any attachments are virus free and do not affect your > systems / data.> > Communicating by email is not 100% secure and carries risks such as delay, > data corruption, non-delivery, wrongful interception and unauthorised > amendment. If you communicate with us by e-mail, you acknowledge and > assume these risks, and you agree to take appropriate measures to minimise > these risks when e-mailing us. > > MTV Networks International, MTV Networks UK & Ireland, Greenhouse, > Nickelodeon Viacom Consumer Products, VBSi, Viacom Brand Solutions > International and Comedy Central are all trading names of MTV Networks > Europe. MTV Networks Europe is a partnership between MTV Networks Europe > Inc. and Viacom Networks Europe Inc. Address for service in Great Britain > is UK House, 180 Oxford Street, London W1D 1DS, UK.> > ===================================> This list is hosted by DevelopMentor® http://www.develop.com> > View archives and manage your subscription(s) at http://discuss.develop.com _________________________________________________________________ Win a voice over part with Kung Fu Panda & Live Search and 100’s of Kung Fu Panda prizes to win with Live Search http://clk.atdmt.com/UKM/go/107571439/direct/01/ =================================== This list is hosted by DevelopMentor® http://www.develop.com
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