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How to find out which is the used version of Telerik.Web.UI in the web application

Environment

Product Progress® Telerik® UI for ASP.NET AJAX

Description

The solution demonstrates two different approaches to check the version of the Telerik UI for ASP.NET AJAX controls used in an ASP.NET WebForms application or website.

Solution

You can use two techniques to see which is the used version by your app:

  • Open the bin folder of the app in Windows Explorer -> right-click on the assemblies -> Properties -> Details -> Product version:

File Version

  • Load the page with the Telerik controls in the browser, go to View Source (Ctrl+U) -> Search for the following HTML comment tag string:

    <!-- 20 and it will reveal the used version:

Product Version

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