Adventures of DevFestMN 2018
by Tara Z. Manicsic
March 06, 2018
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Web
Using ValueConverter to edit Slider's TickTemplate
RadSlider for Silverlight has a neat functionality that allows you to display tick marks along the track. But what if you are not pleased with the current design of the ticks? Of course you can completely change the look of a tick mark. Let’s say that instead of bluish rectangles, you want your ticks to be ellipses, or triangles maybe. This is easily achieved by setting the TickTemplate property. <telerik:RadSlider TickPlacement="BottomRight" TickFrequency="1" Maximum="10"> <telerik:RadSlider.TickTemplate> <DataTemplate> <Grid> ...July 24, 2008 -
Web
Adding Mouse Wheel support in Silverlight. The easy way.
One of the best uses of our Routed Event extension is implementing missing system events in Silverlight, such as MouseWheel and RightButtonUp/Down. The API we provide is the same as WPF, so when Silverlight eventually gets support for those events, most probably you will not have to change much. Other good thing is that you do not need to write any JavaScript, or to know what's going on beneath. The bad thing is that you will have to enable the windowless mode of the Silverlight plug-in, which will slightly decrease the performance of your application. To attach a Routed Event handler for the MouseWheel event on a...July 24, 2008 -
Web ASP.NET AJAX
Performance tip: Using sprites with navigational RadControls
As a strong believer in sprites, I was inspired from a question that came up in a forum thread earlier this week, namely: how to use sprites in a RadTreeView? Well, I think it's rather limiting to write only about the RadTreeView, so this post discusses the technique for all of the navigational RadControls. You can download the sample page and give it at try. Most of the code is quite straightforward - simply setting the CssClass property and a few layout adjustments. Please note, however, that this CSS is tightly bound to the skin that is currently used, so changing skins might not work...July 23, 2008
by Iana Tsolova
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Web ASP.NET AJAX
Browser Inconsistencies with Scrolling and Padding
The other day I was researching a slight RadGrid header and data cell misalignment when using scrolling with static headers. Finally, it turned out that there is a breaking change in the way Firefox 3 treat scrollable elements with an applied padding style. To be more specific, this browser version does not include the padding zone into the scrollable area, and as a result, the inner area of the element becomes smaller. Safari 2 and 3 behave the same way. Here is a very simple testing scenario: <div style="width:400px"> <div style="width:100px;padding-right:300px;background:orange;overflow:auto"> <div style="width:500px;height:100px;background:yellow"> </div> </div> </div> The above HTML code will be displayed by Firefox 3, Firefox 2, IE7, Opera 9 and Safari...July 23, 2008
by Iana Tsolova
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Web ASP.NET AJAX
Web Resources demystified: Part 3 (Troubleshooting)
In this post I will show you how to troubleshoot Web Resource related problems and how to deal with them. If you are using an ASP.NET server control with rich client-side behavior it is likely built to utilize web resources. Sometimes your page loads and that rich server side control does not work at all - the tree view does not expand, the grid cannot sort etc. Most of the times this is because the JavaScript files of those controls have failed to load. If your browser is configured to prompt on JavaScript errors you may see the following error messages: "RadTreeView...July 18, 2008
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