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  • Many To Many in the same Table

    Hello I have 2 tables, "table1" and "table1_parents". My relationship is many to many in the same table (table1), so "table1_parents" is the helping table for this prupose. In "table1" i have a "table1ID" and in "table1_parents" i have a "table1_...
    Posted to eXpressPersistent Objects (Forum) by nikos koroneos on 5/25/2010
    Filed under: persitent, Many-to-Many, DataBinding, Persistent Class, XPO, XPCollection, firebird, Persistent Object, associations, orm devexpress, XPCollection data dataset table, persistent Classs, XPO Object Manipulation, data displaying, Binding

  • Re: Evaluating DevExpress and using exiting DB with Association

    Marc thanks for the quick reply. I tried above and that got me a bit further. Now when trying to implement same concept for an aditional FK on Orders Table, I receive following error. Unable to create 'ForeignKey' 'FK_Orders_ItemID'. Parent: 'Orders'. Error: Executing Sql 'alter...
    Posted to eXpressPersistent Objects (Forum) by Mark Handzlik on 10/31/2009
    Filed under: XPO, XAF, associations

  • Evaluating DevExpress and using exiting DB with Association

    Sorry if this has been answered but Ive been through the tutorials and searching forums etc with no clear understandable answer for this NEWBE problem. I have XAF working with persistant classes that show one to many tables and UI however my database now contains extra duplicated column for the Association...
    Posted to eXpressPersistent Objects (Forum) by Mark Handzlik on 10/31/2009
    Filed under: XPO, XAF, Persistent Object, associations

  • Associations mapped with existing database.

    Hey, I generate persistent objects from an MS SQLServer 2005 database. Q1: association tables for many-many relations are not generated (disabled in the table selection screen). Any reason why? Q2: one-many relations are lost. Can I generate the associations using a naming convention? Q3: All generated...
    Posted to eXpressPersistent Objects (Forum) by Hans Van Ruysseveldt on 8/5/2008
    Filed under: XPO, XPO persistent class persistent object, associations, SQL Server 2005 Express Edition
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