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Web
How To: Color Picker done with few slider controls
This tutorial demonstrates how to create a color picker using nothing more than few elements and Telerik's slider control for Silverlight. To start off, create a new Silverlight project. It is up to you to decide whether you want a web page in the project or not. This particular example does not to include a web page, but a simple html page that is generated dynamically. Once you have the project created go ahead and add a reference to the Telerik.Windows.Controls.dll. At the top of your main UserControl, add a namespace in order to use the dll. Check if everything... -
Web ASP.NET AJAX
RadTips, Episode 2: Client-Side Paging in the RadGrid
Here for your viewing pleasure is the second episode in my new series, RadTips. In this episode I show you how to implement paging in the RadGrid when binding data to the grid on the client. This is an important feature to know because it must be implemented on the client if that is where databinding occurs. As always, your comments are welcome. Please bear with me as I get the hang of screencasting, but don't hesitate to offer your feedback if you'd like to suggest how I can improve the shows. Also, if the size of the embedded video is... -
Desktop WPF
How to Databind RadTreeView in WPF
Download the source code of the samples here. This is the first part of a series of posts demonstrating common scenarios of RadTreeView control. I’ll be covering both WPF and Silverlight. One of the most common scenarios for our customers is populating the RadTreeView with data. In WPF data binding is one of the most powerful concepts. Data binding the Treeview can be done in several ways. In this post I’ll explain the most common scenarios – binding to an XML file, binding to a Collection, and a more advanced sample – data binding using grouping and CollectionViewSource. XML Define the XML source Define... -
Desktop WPF
New gaud for the 3-Dimensional WPF RadChart
Last time I wrote about Labels in 3D, but it turned out to be more of a Step-By-Step How-To. This time the blog will be short and up to the point - our RadChart for WPF has a new shiny primitive, which is ... ta-daaaaa ... a 3-Dimensional Rounded Bar/Box. Well, we are not the first to introduce such a primitive. It is, of course, easy to create rounded box model in 3D Studio Max, Maya or any other 3D-modeling tool (as other component vendors did for you), but that approach does not allow easy customization - each time you...August 05, 2008 2 min read -
Web ASP.NET AJAX
Working with RadScheduler recurring appointments on SQL server*
UPDATED: Rebuilt project with the 2011 Q2 version of RadScheduler You might have noticed that RadScheduler uses very cryptic strings to describe repeating appointments. We have decided not to reinvent the wheel and in fact this format is closely based on the iCalendar (RFC2445) standard. Here is an example: DTSTART:20080218T000000Z DTEND:20080219T000000Z RRULE:FREQ=MONTHLY;INTERVAL=12;BYDAY=-2MO;COUNT=3; This rule says: "The event starts at midnight on 18th of February 2008, lasts one day and repeats each year, for 3 years, on the second to last Monday of February". Now say this three times fast. As much as standards-based those strings are,... -
Web
IntelliSense for Expression Blend
[Update]: You can find the addin for Expression Blend 2.0 SP1 here. The problem Expression Blend has been out in the wild for quite some time. However one of the most annoying thing was the lack of autocompletion (aka IntelliSense). Most of devs/designers out there were constantly switching from Blend to VS and backwards to do their stuff. The great free tool Kaxaml is at great help as well. The solution Using the Blend 2.5 add-ins architecture I have created an add-in that adds IntelliSense in Blend. I have reused the code from Kaxaml and adapted it work within Blend. Take a look: Download You can download the add-in from here....August 04, 2008 2 min read -
Web
Search Engine Optimization: Use an HttpHandler when Redirecting
It is fairly common that you will need to configure a page in your web application to redirect a user to another page. The reasons for this vary, but in one specific case you may want to rethink how you are redirecting your users. When a call to Response.Redirect() is made, the server sends a response back to the client with an HTTP 302 status code, telling the client that the resource has temporarily moved and where it can find the resource. I've created a simple page, OldPage.aspx, which redirects to NewPage.aspx during the Page_Load event. Let's jump into FireBug and see exactly...August 02, 2008 3 min read -
Release
New online resources for the past two weeks (07/21/2008 - 08/01/2008)
Below is a summary of the new online resources available for our ASP.NET controls/WinForms controls/Telerik Reporting/Sitefinity: RADCONTROLS FOR ASP.NET New major release (Q2 2008): http://www.telerik.com/products/aspnet-ajax/whats-new.aspx http://www.telerik.com/products/aspnet-ajax/release-history.aspx RadGrid Code library entries How to Obtain Reference to RadGrid DetailTables' Containing Rows and Cells, and Customize Their Appearance: http://www.telerik.com/community/code-library/submission/b311D-bkbhhc.aspx RadAjax Code library entries How to Set 100% Height and Random Styles to a RadAjaxManager Update Panel: http://www.telerik.com/community/code-library/submission/b311D-bkbkkd.aspx -
Web ASP.NET AJAX
Telerik RadGrid client-side data-binding to RSS and ATOM feeds
I've made small example how to bind RadGrid for ASP.NET AJAX on the client to an RSS and... -
Web
dotNet Register: An Intro
One of the tasks that has been on my "to do" list for quite some time now is to build a big, real world-ish application that not only provides value to the community but also shows-off a lot of the RadControls in action. It's a big task and one that's especially hard to tackle when traveling about the world to speak and preparing smaller demos that work well in "small bites." But I'm putting my foot down and committing to begin work on this big project now! The goal of my "big project"- which, by the way, still needs a...
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