

Include all required Kendo UI JavaScript files.Remove any duplicate script references to jQuery.Make sure that jQuery is not included more than once in your page.This issue also occurs if the required Kendo UI JavaScript files are not included.įor more similar issues, refer to the article on troubleshooting in Kendo UI for jQuery. If jQuery is included more than once in the page, all existing jQuery plugins (including Kendo UI) are wiped out. If you use the ASP.NET bundles, move the Scripts.Render("~/bundles/jquery") block before the Telerik UI for ASP.NET MVC JavaScript files. Make sure that jQuery is included before the Telerik UI for ASP.NET MVC JavaScript files, and before any Kendo UI widget or MVC wrapper declarations, unless deferred initialization is used. jQuery is included after a Kendo UI widget or an MVC wrapper declaration.įor more symptoms on that, refer to the article on JavaScript errors.jQuery is included after the Telerik UI for ASP.NET MVC script files.This error is triggered in the following cases: JavaScript jQuery Is Unavailable or Undefined If the icons are still missing after you change the classes, verify that the version is fully updated.

If you upgrade your project from a prior version to the R1 2017 version (2017.1.118) or later, you have to change the classes of the custom CSS rules that you use accordingly. The exact location depends on your Visual Studio settings and installation.Īs of the Kendo UI R1 2017 release, the Telerik UI for ASP.NET MVC uses font icons, which might lead to compatibility issues. Clean up the Visual Studio Backup from :\Users\\Documents\Visual Studio \Backup Files.The location of this cache may vary from one operating system to another. Clean up the Windows WebSite Cache from \Users\AppData\Local\Microsoft\WebsiteCache.For Internet Explorer, select Tools > Internet Options > Delete Files. Clean up the Temporary ASP.NET files from :\Windows\Microsoft.NET\Framework \Temporary ASP.NET Files.

