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  • Web ASP.NET AJAX

    AJAX >> Using AJAX to load a usercontrol that requires a custom css file

    Summary The technique demonstrates how to transform a non-AJAX scenario which adds a CSS <link> tag to the head of the page to work with AJAX, using a client-side javascript function to register the  <link>. Using AJAX in an application is probably the standard now. Partial page rendering offers a number of benefits such as increased page responsiveness, as well as close-to-desktop experience using AJAX-based toolkits such as RadControls for ASP.NET AJAX. However, adding UpdatePanels to the page and expecting that all of your “postback” logic will continue to function without changes is only true for simple scenarios. There are many more advanced...
    by Iana Tsolova
    October 03, 2008
  • Release

    Page Navigation for Silverlight 2 RC0

    Hi my name is Boryana Miloshevska and  I’m a member of  Telerik`s Silverlight team. This is my first blog post and it is about the new RadPageNavigation framework that we just released  for Silverlight 2 RC0. RadPageNavigation is a framework that allows you to easily add navigation service to your application. To do that you can use the provided RadPage, RadFrame, RadFrameContainer and NavigationService classes, or you can use your own classes to implement the IFrame and ITransition interfaces. The framework is 100%  compatible with the WPF navigation service. Navigation between pages is supported. You can also use frames inside each page and to...
    October 03, 2008
  • Web

    Create a Tabbed MDI using child forms

    If you are developing applications for Windows it is almost certain that you have incorporated the Multiple Document Interface (MDI) at some point. This is where you have a parent form that acts as the host for all forms within the application, minus a few exceptions. I know there are debates about whether MDI is an effective approach, but it doesn’t change the fact that MDI is very heavily used. I have found that the Tabbed Document Interface which is essentially an MDI that implements tab navigation between open items is pretty popular. As a matter of fact, this same...
    October 03, 2008
  • Web ASP.NET AJAX

    RadMenu for ASP.NET Ajax - Working with disabled JavaScript

    As you may know accessibility standards require a web page to work when JavaScript is disabled. In this blog post I will show you how to make RadMenu work even without JavaScript. I will also show how to make JAWS reader "see" all items rendered by RadMenu (even the hidden ones). Disabling JavaScript First we need to find a way to disable JavaScript in our browser of choice. For FireFox you need to install the web developer toolbar plugin. Then you can easily use the "Disable JavaScript" option: In Internet Explorer you should first edit the security settings for the zone in which your...
    by Iana Tsolova
    October 02, 2008
  • Web

    RadChart &ndash; How to customize databound and auto-generated items?

    Imagine you have a databound RadChart and you need to customize the item labels, say you need to combine the values of two fields into a single item label. All you need to do is wire the ItemDataBound event, retrieve the ChartSeriesItem and customize it as per your requirements. You may use the actual data for this, here is an example:   protected void RadChart1_ItemDataBound(object sender, ChartItemDataBoundEventArgs e)     {         ChartSeriesItem item = e.SeriesItem;         DataRowView dataItem = (DataRowView)e.DataItem;         item.Label.TextBlock.Text = dataItem["FirstName"].ToString() + " " + dataItem["LastName"].ToString();     }   That was simple, but what about auto-generated axis items? OK, let’s start with some background – RadChart allows you to modify it at any stage of the page lifecycle, including events fired as...
    October 02, 2008
  • Web ASP.NET MVC

    Telerik RadControls in Microsoft ASP.NET MVC

    To continue with my previous blog post about RadGrid for ASP.NET AJAX in Microsoft ASP.NET MVC, I've made another example how to use RadControls for ASP.NET AJAX as pure client-side components in this environment. The biggest challenge here is the ScriptManager and scripts registration in general. By default the creation of client-side components is so tightly coupled with the ajax functionality (PageRequestManager) that the only way to enable this is to inherit from ScriptManager (or RadScriptManager) and build everything manually: protected override void Render(HtmlTextWriter writer) {      foreach (RegisteredScript script in GetRegisteredClientScriptBlocks())      {          if (Page.Items[script.Key] == null)          {              Page.Items[script.Key] =...
    by Vladimir Enchev
    October 02, 2008
  • Web

    Loading Images in Silverlight2 Applications

    One question we receive very often from our customers, is how to load an image, from different relative folders in Silverlight. This is a little bit tricky and it is different from the way it is working in HTML. I found this great article, from the Katrien's MSDN blog, about all the possible scenarios that you may have. Here is the reference: http://blogs.msdn.com/katriend/archive/2008/04/27/different-ways-for-loading-images-and-files-in-silverlight-2-applications.aspx   Enjoy!...
    by Valio Stoychev
    October 02, 2008
  • People

    HDC Follow-Up

    I just arrived back home from the Heartland Developer's Conference in Minneapolis, MN. Besides a stomach bug I caught on day two and the near-death experience on the flight home, I had a great time. HDC was packed with 30 sessions over two days and was attended by more than 200 developers, most of whom were locals. There were a lot of great talks and it was fun to rub shoulders with the .NET developers of the Twin Cities. I also really enjoyed meeting some great Telerik customers and hearing all the things you are doing with our controls. All-in-all, I'd...
    October 02, 2008
  • Release

    RadControls for Silverlight 2 RC0

    The latest RadControls for Silverlight 2 have been uploaded to the Telerik site. The files can be downloaded form the Client.Net accounts. This version is entirely compatible against MS Silverlight 2 RC0 that was launched a few days ago.   Still to come in the following days: Detailed release notes, all the breaking changes, what's new in the suite.
    by Nikolay Atanasov
    October 01, 2008
  • Desktop WinForms

    Show Us Your WinForms Skills and Win $500

    If you have been developing applications with Telerik RadControls for WinForms and are dying to show them off, now is your chance! What's more, if the Telerik community decides you have the bragging rights, you will win a $500 Amazon Gift Certificate. All you need to do to participate in the new RadControls for WinForms Challenge is to send us at least 3 screenshots and a short (up to two paragraphs) description of your WinForms application. The first 50 contestants who meet the contest requirements and are approved as finalists will receive a complimentary prize of 5,000 Telerik points that can be used towards your next purchase. We're very interested to...
    by Nikolay Diyanov
    October 01, 2008
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