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  • Calculated property based on Associeted Collection and Validation Rules for Collections

    Hi I'm trying to learn XAF and have some problems with Collections. My classes: Community Community-Members (XPCollection - Association) MemberCount Members (Inherits from Person, a Member can be part of N Communities)) MemberSince (date) 1- I need a Calculated Property in mi Community class that...
    Posted to eXpressApp Framework (Forum) by Francisco Ortiz on 11/22/2010
    Filed under: eXpressApp Framework, XAF, xaf business rules, eXpressApp, xaf xpo rules, xpo, XPO XAF devexpress expressApp detailview SQL, XPCollection

  • Re: Data Structure and Implementation Help Needed

    The real question is responsibility. Child objects know about themselves, not other child objects. The child object should request this information from the parent which owns the other child objects and hence has responsiblity. The parent should maintain and needed order. In general any function should...
    Posted to eXpressApp Framework (Forum) by James Smyth on 10/15/2010
    Filed under: XAF, xpo, XPO XAF devexpress expressApp detailview SQL

  • Create and Access a Filltered Association in XAF

    I'm trying to muttle through and learn XAF/XPO by building a simple application against existing Sql db. I have run into a roadblock on how to resolve a filtered association within Xaf/Xpo. I have looked at a few sample questions/examples but none seem to reflect my scenario, so I am turning here...
    Posted to eXpressApp Framework (Forum) by Mark Handzlik on 11/11/2009
    Filed under: filters, XAF, xpo, XPO XAF devexpress expressApp detailview SQL, XPCollection

  • Where is an entry point after login process?

    Hello again... Just another question. Where is an entry point after login process...? For example, I logged on and I want to remember current user in my static field. In "UpdateDatabaseAfterUpdateSchema" method from Updater class I got an exception. The line "DevExpress.ExpressApp.SecuritySystem...
    Posted to eXpressApp Framework (Forum) by Dauren Mussa on 3/12/2009
    Filed under: XAF, XPO XAF devexpress expressApp attribute realtion RDBMS dx coderush refactor class to db, XPO XAF devexpress expressApp detailview SQL, XAF web deployment, XAF 8.3.3, XAF 8.3

  • Just curious - why was DXAirways not created with XAF?

    Specifically, what limitations in XAF prevented using it for the DXAirways demo?
    Posted to eXpressApp Framework (Forum) by Joe Hendricks on 7/8/2010
    Filed under: XAF, xpo, XPO XAF devexpress expressApp detailview SQL
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