hello guys! Can anyone help me on this error I'm receiving this error message. The Report Viewer Web Control HTTP Handler has not been registered in the application's web.config file. Add to the system.web/httpHandlers section of the web.config file, or add to the system.webServer/handlers section for Internet Information Services 7 or later.
These settings of handlers are already exists in my asp.net project web config I can't understand why this error keeps showing though these settings is already in my web config.
I think your issue might be that you're trying to use a stateful collection in a stateless context. You can use it for event handling on your UX, but it should be immaterial on the WebAPI. Have you tried setting your expected parameter as Collection<t> or ICollection?
If you can do jQuery that should help you a lot.
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