• .NET

    Quick and painless Byte Array to Image converter for RadGridView for Silverlight

    October 07, 2009 Share
    We received a question today in regards to a binding issue with RadGridView, or rather an issue with an Image in a custom cell template that the customer was trying to bind to a custom value.  They had the basic setup right: <DataTemplate>    <Image Source="{Binding ImageData}" /> </DataTemplate> But something wasn't quite working right.  After doing a little digging, we found that they weren't sending a URI to the Image but rather a byte array.  Unfortunately, the Image control in Silverlight doesn't quite know how to pick up on this so you need to convince it- with a converter. With a little bit of coding...
  • .NET

    Picking and Choosing Columns with RadGridView for WinForms

    May 15, 2009 Share
    Have you ever run into a situation where you needed to allow a user to select which columns they want to see in a grid?  If you are using the RadGridView for WinForms you don’t have to lift a finger to implement this functionality.  The Column Chooser is available for the RadGridView out of the box.  Simply bind your data and you are ready to go.  You can access the Column Chooser by right clicking on any column and selecting Column Chooser from the context menu.  The Column Chooser is displayed as a floating window next to the application.  You can now drag...
  • .NET

    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...
  • .NET

    RadControls for WPF – Q1 2009 Service Pack released

    April 16, 2009 Share
    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...
  • .NET

    WinForms RadGridView's new clothes

    March 25, 2009 Share
      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...