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  • How to catch LockingException

    Hello, I'm using XtraGrid with XPCollection as data source on my form. What I need is to catch LockingException to display my own message and reload object on the background. Previously I’ve been making this by handling BeforeCommitTransaction on my form and then I was calling CommitTransaction...
    Posted to eXpressPersistent Objects (Forum) by Jaromir Macek on 10/2/2008
    Filed under: XPO, XPCollection, Grid, Session, XPO Sessions, Persistent Object

  • XPO - show one row from a "many" table ( in a one to many relation )

    Hello, I have 2 tables like this: Person ---------- ID (int) Description (char) Addresses --------------- ID (int) IDPerson AddressDescription (char) Default (bit) I try to create a custom property that give me the default address for some person to show it in a grid (xpView?) I try to show the results...
    Posted to eXpressPersistent Objects (Forum) by John Secada on 6/4/2008
    Filed under: aggregate, XPO, XPCollection, criteria, Grid, One-to-many

  • Server Mode XtraGrid using SQL Server Compact Edition and XPO

    Server mode GridControl requires XPServerCollectionSource as DataSource. XPServerCollectionSource.ObjectClassInfo is a class derived from XPObject . Type XPServerCollectionSource is defined in DevExpress.Xpo.v7.3.dll . SQL Server Compact Edition connection provider MSSqlCEConnectionProvider is in DevExpress...
    Posted to eXpressPersistent Objects (Forum) by Xin Wan on 1/16/2008
    Filed under: XPO, Server Mode, Grid, SQL Server 2005 Compact Edition

  • Using other tables' columns' data

    I'd like to set up XPOs for each table/object represented in a database. I have a table called Tickets (like Help Desk tickets) and another table containing all employees of our company (Users). The Users table primary key is their employee number and contains columns like "Display Name"...
    Posted to eXpressPersistent Objects (Forum) by Phillip Stromberg on 12/7/2011
    Filed under: GridControl, DataBinding, Persistent Class, XPO, Grid, database
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