Cannot Load HTML5 Report Viewer Templates Error Occurs
|Product||Progress® Telerik® Reporting|
|Version||Q2 2012 and later|
|Report Viewers||WinForms, WPF, ASP.NET|
Error loading the report viewer's templates. (Template = /api/reports/resources/templates/telerikReportViewerTemplate-html) occurs when using the HTML5 Telerik Reporting ReportViewer.
The error message indicates that the Reporting REST service is not responding.
To solve the issue, use the following approaches:
Check the HTML5 Viewer
serviceUrland adjust the relative path.
It is recommended to test the service by address in the browser as described in the article on adding the Telerik Reporting REST web API to web applications.
The issue might be related to duplicating routes of the WebAPI controllers. To avoid such a possibility, change the Telerik Reporting REST Web API routes registered byu default.