Telerik blogs

Tag: Telerik Data Access

  • Productivity

    Looking at the Telerik OpenAccess ORM Visual Designer Toolbox

    The Telerik OpenAccess ORM Visual Designer provides toolbox items that one can use to update and fine tune the persistence model and how the entity classes will behave. Inheritance - like other objects, the mapped entity classes can be used in inheritance scenarios and can be derived from other classes. The Telerik OpenAccess ORM provides the power of inheritance to the data access layer. Classes in an inheritance hierarchy can be mapped to the same table (flat mapping) or to different tables (vertical mapping and horizontal mapping), or a combination of two strategies (mixed flat and vertical). The Telerik OpenAccess ORM Visual...
    May 27, 2021 2 min read
  • Productivity

    Telerik OpenAccess ORM and the XML Metadata Source

    We all know that Telerik OpenAccess ORM has a completely new face with the Q1 2010 release so it is about time to start blogging about some of the features and improvements that the new Visual Designer brought along.  Today I will talk about one of the most notable changes in the new version of OpenAccess ORM and that is the “XML – only” mapping. You all know that so far with the previous versions of the product the mapping information was defined by a mix of XML configuration files and CLR attributes. After a lot of customer feedback and...
    May 27, 2021 3 min read
  • Productivity

    Dynamic filter expressions in an OpenAccess LINQ query

    We had some support questions recently where  our customers had the need to combine multiple smaller predicate expressions with either an OR or an AND (these will be the || and && operators if you are using C#) logical operator. And because the code from the answer that we sent to these customers is very interesting and can easily be refactored into something reusable we decided to write this blog post. The key thing that one must know is that if you want your predicate to be translated by OpenAccess ORM to SQL and executed on the server...
    by Jan Blessenohl
    May 27, 2021 2 min read
  • Productivity

    Updated “OpenAccess Made Easy” guide available for download

    Many of our customers are probably aware of the “OpenAccess Made Easy” guide that we have for OpenAccess ORM. However, as good as this guide is, like any other thing it has its problems. Since the guide was released, many of our customers have reported issues with it like inconsistencies with the latest version of the product, little errors in the content, etc. We want to use the opportunity to thank all people that reported issues or suggested improvements for the guide. We are glad to let you know that an updated OpenAccess Made Easy guide is now available for...
    May 27, 2021 1 min read
  • Productivity

    Demystifying the new OpenAccessContext Object

    Today we had a great turn out for the Q1 2010 What’s New in OpenAccess, and JustCode webinar.  However, we got a great deal of questions at the end so I am going to do my best to cover all of these questions here on my blog :)  This entry will aim to better explain the context object you saw me use in the webinar, and hopefully clarify a few things for everyone.  The first couple of question I want to answer are below. 1. So are we basically throwing out the old way of OpenAccessing data?....don't need to create scopes,...
    May 27, 2021 2 min read
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