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Desktop WPF
Tracking down memory leaks in WPF and Silverlight
As a component vendor we need to be extra cautious about the quality of the code we ship. Design, presentation, performance etc. are all very important for us. One item that is often overlooked in the .NET community is memory leaks. It is a quite a precarious issue, because most people believe that in the managed world it is not possible to have a memory leak. Well, if you thought so you are in for a surprise. The idea of the blog post is not to explain what memory leaks are, how the garbage collector works and so on. These things...February 05, 2009 -
Desktop WPF
How to use Custom Row Layouts in RadGridView for WPF
Presenting data in a grid is common in many applications, but it doesn't have to look like a bunch or columns and rows. With WPF you have freedom to make the data look totally different. In this post, I am going to demonstrate using a custom row layout with the RadGridView for WPF. To get started, I have setup a new window with a RadGridView. I will be using the Northwind database Employees table for this example. I would like to point out that if you are going to recreate this example, you will need to add the Window.Resources section...February 04, 2009 -
Desktop WinForms
RadGridView's Serialization Made Easy (WinForms)
Hello to all! My name is Deyan and I am a new member of the Telerik WinForms Team. In my first blog post I will talk about the RadGridView’s Serialization API and will shortly explain some fundamentals that would help you understand how to utilize it. In case of further interest on this topic, I have prepared a KB article and a demo application to demonstrate different serialization scenarios using the API. The default serialization settings imply that all visible properties are stored in the XML output. In cases when you want to only store some simple layout settings without paying attention to...February 03, 2009 -
Desktop WPF
Easy programmatic UI customization for WPF and Silverlight
I’m pleased to announce that with Q1 2009 release of RadControls for WPF / Silverlight you will be able to manipulate the controls very easily with two powerful extension methods: ParentOfType<> and ChildrenOfType<>. Here are several small demos for RadGridView: 1) Get all grid rows: var rows = RadGridView1.ChildrenOfType<GridViewRow>(); 2) Get all grid cells: var cells= RadGridView1.ChildrenOfType<GridViewCell>(); 3) Get all grid header cells: var headerCells = RadGridView1.ChildrenOfType<GridViewHeaderCell>(); 4) Get (and show) new row: var newRow = RadGridView1.ChildrenOfType<GridViewNewRow>().First(); ...February 03, 2009 -
Desktop WPF
WPF How To: Endless scrolling of 2mil. records using BackgroundWorker and LINQ to SQL
I’ve made small demo how to create easily endless scrolling of almost 2 mil. records (exact count is 1770607) using RadGridView for WPF. When you reach the bottom of the vertical scrollbar, more data will be retrieved on-the-fly from the data-base server: For asynchronous data loading you can use BackgroundWorker: BackgroundWorker worker = new BackgroundWorker(); worker.DoWork += new DoWorkEventHandler(worker_DoWork); worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted); worker.RunWorkerAsync(); … void worker_DoWork(object sender, DoWorkEventArgs e) { NorthwindDataContext context = new NorthwindDataContext(); queryable = from o in context.Orders from od in context.Order_Details ...February 02, 2009
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