XPO is a DevExpress ORM library for .NET.
Questions tagged [xpo]
100 questions
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1 answer
how to extract session from XPObjectSpace in DevExpress 12.2?
i have the following code:
Me.ASPxMenu1.DataSource = New HierarchicalMenuItemCollection(New XPCollection(Of IMenuItem)(DirectCast(WebApplication.Instance.ObjectSpaceProvider.CreateObjectSpace(), XPObjectSpace).session,
…
Cuadrunga
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WCF Client-Server NullReferenceException
Ok, here's the problem i've been dealing with the whole day:
I'm building a web application forms using WCF Data Service and XPO as ORM Data Model in the server side which contains a method, and in the client side, i'm trying to add a line to a…
Soufiane N
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1 answer
DevExpress XPO XPCollection Refreshing Changes
I'm experiencing an issue refreshing data in XPCollection after commiting some database changes using UnitOfWork.
I have a WinForm with an XPCollection.
The XPCollection uses XpoDefault.Session.
I do some changes through a UnitOfWork:
using…
SharpAffair
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I cant show data from a WCF in the browser
Good morning everyone,
I have a web application project, i've added an xpo model to retrieve data from database and i've added a webservice WCF ( .svc ) to publish data retrieved from the xpo. the problem is when i browse the webservice with google…
Soufiane N
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accessing a WCF Service in a browser
I'm trying to access to a WCF webservice from my browser but when i click on the WCFfile from VS10 and "View in browser" it shows me:
This page contains the following errors:
error on line 3 at column 2: StartTag: invalid element name
Below is…
Soufiane N
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0
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1 answer
SQLite Database Locked - Live synchronisation of two databases with row-by-row UPDATEs/INSERTs
We're currently experiencing issues with database locking using SQLite in a multi-user environment. These are coupled with regular database malformation issues, due to the fact that journalling has been switched off to reduce the number of database…
pixelbadger
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How get the data from database with xpo (devexpress)?
I'm a newbie with devexpress and i have a few difficulty.
I have create a project ".net empty c#" with visual studio. I would like connect at my database "mysql" with "devexpress xpo".
I create a "dxperience orm data model wizard" to connect at my…
Zoners
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1 answer
LinQtoXpo and sqlexpress
How can I access sqlepxress database using linQPad I need to use the LinqToXPO driver?
if the database was created from the EF model in VS2010,
(you guys know how devexpress documentation is...none or litte)
thanks.
ramnz
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2 answers
devexpress xpo vs BLL-DAL approach for report pages
We have just started a web project. Sql tables of the project is expected to be large tables with millions of records. And web application will usually report the data to the users. That means web application will do "SELECT" mostly than "INSERT" or…
Fer
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How to open a record in DetailView using Oid in XAF WinForms application?
I need to open an existing record in DetailView by taking Oid as user input in a textbox.
I have created a custom form and put a textbox and a button to take value of Oid from user and then submit it. I can find the object but I don't know the exact…
Ahsan Iqbal
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