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Migrating to ASP.NET Core Tag Helpers

by Ed Charbeneau March 15, 2018

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  • 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 – 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
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