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XPO - Interview with the Team
XPO - Interview with the Team
Many times, customers have asked us how we use XPO – or if we even do it at all. We decided to sit down with developers working on and with XPO and conduct an interview, with the goal of answering the most common questions. The result makes for an interesting read since it addresses many historical, strategical and technical aspects. Enjoy! ...
Dennis Garavsky (DevExpress)
30 August 2018
XPO orm featured interview experience get started in-house
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XPO - Easy Way to Map a Property to a Read-Only Database Column (v18.2)
XPO - Easy Way to Map a Property to a Read-Only Database Column (v18.2)
With v18.2, XPO includes one additional community-driven feature - FetchOnlyAttribute. Applied to a class property or field, this attribute indicates that you can only read values from a database. XPO will not include these values in INSERT and UPDATE SQL statements....
XPO Team (DevExpress)
25 July 2018
XPO FetchOnlyAttribute prerelease 18.2 testing preview
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XPO - A simple benchmark against EF 6 and EF Core (UPDATE)
XPO - A simple benchmark against EF 6 and EF Core (UPDATE)
We have received many comments and questions on our previous blog post. Thank you all for that! In this post, I will describe our updated benchmark based on your feedback:...
XPO Team (DevExpress)
17 July 2018
XPO performance speed .NET Core .net standard 2.0 orm Entity Framework EF comparison
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XPO - Web API and OData V4 Support
XPO - Web API and OData V4 Support
Want to expose your eXpress Persistent Objects™ (XPO) data model for CRUD operations through a lightweight JSON web service? Our new Code Example implements a fully-functional OData V4 service with XPO and Web API. This solution relies on the Microsoft.AspNet.OData library, and is an alternative to our WCF-based XPO Data Service....
XPO Team (DevExpress)
5 July 2018
XPO 18.1 OData Web API Interoperability
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XPO - A simple benchmark against EF 6 and EF Core
XPO - A simple benchmark against EF 6 and EF Core
We recently published a BenchmarkDotNet-based benchmark on GitHub. We used it to test the performance of the following Object-Relational Mapping (ORM) libraries for .NET Framework 4.6.1 and higher...
Dennis Garavsky (DevExpress)
21 June 2018
XPO performance speed .NET Core .net standard 2.0 orm Entity Framework EF comparison
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XPO - Miscellaneous Updates (v18.1)
XPO - Miscellaneous Updates (v18.1)
In this blog post, I will cover a few XPO features that should simplify your development process....
XPO Team (DevExpress)
6 June 2018
XPO .NET Core 18.1 NullableBehavior Ase NuGet Template Gallery usability SAP
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XPO ORM Library – Available Free-of-Charge in v18.1!
XPO ORM Library – Available Free-of-Charge in v18.1!
With our most recent release, we’re making XPO (the DevExpress ORM library for .NET) available free-of-charge....
Dennis Garavsky (DevExpress)
21 May 2018
XPO .NET Core 18.1 .net standard 2.0 free support orm featured .net
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XPO - Firebird 3.0 Server and other new DB feature Support
XPO - Firebird 3.0 Server and other new DB feature Support
As part of our ongoing commitment to support the needs of those using XPO, we've updated it with the following database specific features...
Dennis Garavsky (DevExpress)
14 March 2018
XPO .NET Core firebird sqlserver db oracle postgre
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XPO - 11.2 Sneak Peek – XPCollection performance improvements (once again!)
XPO - 11.2 Sneak Peek – XPCollection performance improvements (once again!)
Prerequisites As you probably know, when inserting or removing records from collections supporting IBindingList , it is necessary to load the entire collection (that means constructing its persistent objects and their related objects graphs) from the...
Dennis Garavsky (DevExpress)
13 September 2011
XPO performance 11.2 inserting XPCollection deleting removing adding
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Performance boost on removing data from a large XPCollection (available in 11.1.7)
Performance boost on removing data from a large XPCollection (available in 11.1.7)
I am happy to announce that XPO developers have tweaked XPCollection in version 11.1.7 , and trust me, it is something you will notice immediately. This improvement was accomplished while working on a customer's issue and that again proves how customer...
Dennis Garavsky (DevExpress)
12 September 2011
XPO performance XPCollection deleting removing 11.1.7
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