• .NET

    Q3 2010 Object-Relational Hierarchy with RadGridView for WinForms

    November 13, 2010 Share
    [You can see all new hierarchy modes of RadGridView in this week’s webinar. See details and register >>] More and more developers are using ORM frameworks like Telerik OpenAccess, Entity Framework, and NHibernate to save valuable time from writing dependent and synchronization code for the database server. In many cases it is often necessary to create complex custom business objects that contain the object relations to support the different needs of the application like serialization (database, file storage, online service) and transactions. In many of these scenarios the developers are looking for a convenient and quick way to visualize the data and...
  • .NET

    Bringing User Experience to the next level in RadGridView for WinForms

    In the upcoming Q3 2010, we bring the extensibility of RadGridView to the next level. We will add the ability to create and replace the row type for all rows stored in the rows collection which will give our customers almost unlimited control over the customization and design of the control. The new feature gives developers the opportunity to extend the default behavior of all descends of the GridViewRowInfo class. Here is how it works: Let’s say that you want to create an expandable filter row which has extended user-friendly UI for filtering: In Q3 2010 this will be possible with a few simple...
  • .NET

    SP1 of RadControls for WinForms Q2 2010 Released, Featuring Conversion Wizards

    Yesterday we released the first of series of Service Packs, following our outstanding Q2 2010 release. The first drop is for RadControls for WinForms, and features a fair amount of bug fixes. A noteworthy feature made it in Q2 2010 SP1 - and this is the ability to quickly switch from [now obsolete] RadPanelBar, RadTabStrip, RadComboBox, and RadListBox controls to their new counterparts: RadPageView and RadDropDownList and RadListControl. The idea is simple, and the transition process is quick, transparent and painless. Simply download and install RadControls for WinForms Q2 2010 SP1 and upgrade your application to use the latest version. Once you...
  • .NET

    Explained: RadGridView for WinForms virtualization and its implications. The case with CellElement and RowElement

    As the Logical vs. Visual Grid Structure help article states, RadGridView for WinForms uses virtualization for its cells/rows and as of Q2 2010 there is column virtualization as well. What is virtualization? To put it simply, when you bind RadGridView to a DataTable with 1000 rows, you get 1000 data row objects created in RadGridView (of type GridViewDataRowInfo). However, not all data row objects can be visible at the same time in the RadGridView estate in your application. This is why only the visual rows that can be shown in the estate get created (these visual rows are of type GridDataRowElement), or about...
  • .NET

    New goodies in RadGridView for WinForms: Drag and drop with RadGridViewDragDropService

    One of the new goodies that came with RadGridView Q2 2010 is the brand new drag and drop API, which offers a very flexible way to create custom drag and drop scenarios with ease. Each instance of RadGridView is associated with RadGridViewDragDropService that handles user drag and drop operations. It gives you out-of-the-box reordering of columns and movement of items between the group panel and the columns header. The service is also responsible for rows reordering in unbound mode when grouping and sorting features are not applied. In many cases, developers need to implement complex custom scenarios that are not covered by our products by default....