Failed Attempt Error Occurs When Connecting WinForms ReportViewer to Telerik Report Server or Reporting REST Service
Environment
Product | Progress® Telerik® Reporting |
Version | Q2 2012 and later |
Report Viewers | WinForms |
Description
When connecting the WinForms ReportViewer to Telerik Report Server or Reporting REST service, an error for a failed attempt occurs.
Error
Attempt by method 'Telerik.Reporting.Services.HttpClient.HttpRequestHelper.GetResponseFromPost(System.Net.Http.HttpResponseMessage)' to access method 'Telerik.Reporting.Services.HttpClient.HttpRequestHelper.GetResponseFromPost <T> (System.Net.Http.HttpResponseMessage, System.Collections.Generic.IEnumerable 1 <System.Net.Http.Formatting.MediaTypeFormatter>)' failed.
Cause
The WinForms ReportViewer requires Microsoft.AspNet.WebApi.Client
that is suitable for .NET4.
Solution
Install the Microsoft.AspNet.WebApi.Client
trough the Visual Studio Package Manager Console. For more information, refer to the article on using the WinForms Report Viewer with the Report Server.