Cannot Load HTML5 Report Viewer Templates
Environment
| Product | Progress® Telerik® Reporting |
| Version | Q2 2012 and later |
| Report Viewers | WinForms, WPF, ASP.NET |
Description
An Error loading the report viewer's templates. (Template = /api/reports/resources/templates/telerikReportViewerTemplate-html) occurs when using the HTML5 Telerik Reporting ReportViewer.
Cause
The error message indicates that the Reporting REST service is not responding.
Solution
To solve the issue, use the following approaches:
- Check the HTML5 Viewer
serviceUrland adjust the relative path. - Try adding
~or removing the first.. - 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.