Telerik blogs
  • Desktop WinForms

    Computing Values in the RadGridView for WinForms

    When working with data there are a number of occasions where you may want to calculate a value for display within a grid.  Did you know you can do this within the RadGridView itself?  It is really quite simple.  To compute a column within the RadGridView you need to set the Expression property of the destination column.  This may be a new column that you are adding to the grid to store the value or you can override the value of an existing column by setting the Expression property.  Below is an example of the syntax to calculate an average across all...
    May 27, 2021 2 min read
  • Release

    Two New RadTips Episodes: RadGrid, Entity Framework, and More!

    I’m happy to announce two new episode of RadTips, a series of screencasts offering tips and tricks for using Telerik's RadControls. If you've missed previous episodes, be sure to check them out on Telerik TV. Each is only a few minutes long and covers a specific feature of the RadControls. Adding a HeaderContextMenu to the RadGrid for ASP.NET AJAX In this episode I show ASP.NET AJAX developers how to use the HeaderContextMenu to perform column-specific operations in the RadGrid. Click here to watch on Telerik TV The video is available for download below. [Video: MP4] Using the Entity Framework with the RadControls for ASP.NET AJAX In this...
    May 27, 2021 1 min read
  • Release

    RadControls for WPF – Q1 2009 Service Pack released

    This week Telerik released a service pack for the Q1 2009 RadControls for WPF.  You can get the full details about the release here (http://www.telerik.com/versionnotes.aspx?id=1896), but I wanted to point out a few highlights that might be of interest.   RadGridView A number of features regarding exporting including the addition of ExcelML, an Exporting event TAB navigation improvements Addition of the GridViewComboBox column and much more   RadGauge Semi-circle and Quadrant-like styles for Radial Gauges both of which look very sleek.   RadChart The Stacked Line and Stacked Spline Chart Types were added to the RadChart available types. RadColorPicker The Color Picker control allows the users to choose a color from more than 20...
    May 27, 2021 2 min read
  • Release

    Two New RadTips Episodes Featuring the RadGrid for ASP.NET AJAX

    I’m happy to announce two new episode of RadTips, a series of screencasts offering tips and tricks for using Telerik's RadControls. If you've missed previous episodes, be sure to check them out on Telerik TV. Each is only a few minutes long and covers a specific feature of the RadControls. Grouping with the RadGrid In this episode I show ASP.NET AJAX developers how to using the built-in grouping feature of the RadGrid. I start by demonstrating how you can enable dynamic grouping by setting just a couple of properties, allowing users to group data at runtime. Next I demonstrate how to...
    May 27, 2021 1 min read
  • Desktop WinForms

    WinForms RadGridView's new clothes

      In our latest release – Q1 2009 – we were focused mostly on addressing known issues and minimizing the memory footprint of RadGridView for WinForms.  However, we managed also to steal some time and redesign all of RadGridView’s themes. Some optimizations in our TPF framework helped us with this task. One of the heaviest operations in GDI+ is clipping. We managed to remove the clipping where it wasn’t really needed. This way we achieved two goals with a single shot: first, we got a performance boost, and second, we achieved better graphics and smoothed edges when using shapes. Our new Desert...
    May 27, 2021 2 min read