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Binding Hierarchical RadGrid with Telerik OpenAccess ORM
It is quite often that different customers eventually face the need to use a master-detail hierarchical representation of their data. However most customers are not aware that this is extremely easily achievable using Telerik OpenAccess ORM together with our RadGrid. Furthermore it is achieved without writing ANY code in the code behind file of your project. Now let’s get to the job! What will be needed is just one RadGrid and two OpenAccessDataSource controls. The two data source controls will be used to query data from the master and detail tables. In our case we used the Company and Employee tables(one company has many...May 27, 2021 3 min read -
Web ASP.NET AJAX
RadGrid for ASP.NET Ajax and DomainDataSource
In July Microsoft released a preview of its upcoming Silverlight 3 RIA Services Framework which comes along with a new data source control – DomainDataSource. The DomainDataSource introduces a new way of accessing data by giving us a nice separation from the particular representation of our Data Model and more control over how the data is being retrieved or manipulated. This post will provide you with a quick walk-through on how to use the DomainDataSource with our RadGrid control. Install Microsoft .NET RIA Services July 2009 Preview As mentioned above the DomainDataSource control is part of the MS .NET RIA Services Framework, so... -
Web
API changes introduced by the new CoverFlow control
If you missed the buzz, the Telerik team plans to distribute a beta release introducing new controls that will be officially included in the Q3 2009 release scheduled for November 2009. For those of you that didn’t have the opportunity to get familiar with what the new CoverFlow offers, take a look at my previous blog post here. One of the new pieces that will be part of the pack is the new CoverFlow control. It is important to note that from Q3 2009 all previous versions of the control will be replaced with this one, which is specifically built for... -
Web
RadScheduler for Silverlight learning series, part 4: So what is RecurrenceExceptionHelper?
For those of you following this series, I'm going to take a slight detour to explain one of the little bits of magic that we have been using to make loading and saving appointments very easy: RecurrenceExceptionHelper. If you downloaded the sample application from part 3, you'll see this sitting in the Silverlight-RIA-Entity folder (aka the Silverlight portion of the solution). The first thing you might be asking is where the need for such a class comes from. Well, handling Recurrence rules and Exceptions are two of the more complex things that you can do when working with appointments. When... -
Web
RadScheduler for Silverlight learning series, part 3: Add, Edit, and Delete Appointments
If you've been along for the ride so far with this series, you already know that we've hooked a SQL database up to RIA Services using an ADO.Net Entity Data Model and a DomainDataService data context. If you've missed it, check out the prior two posts (or search RadScheduler for Silverlight learning series in the Telerik Blogs site). Now that we're here, we have three more events to handle and we've got a fully-functional RadScheduler for Silverlight hooked up to RIA services. First up, the two easy events- AppointmentAdded and AppointmentDeleted. AppointmentAdded Event This event is pretty straightforward and does not require very...
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