[Resolved] WEBAPI ERROR using Json: The 'ObjectContent`1' type failed to serialize the response body for content type 'application/xml; charset=utf-8'.

hi lets see  how to resolve below error occurred while accessing web api for Json datatype :


 The 'ObjectContent`1' type failed to serialize the response body for content type 'application/xml; charset=utf-8'.

Solution:

go to global.asax file and in Application_Start() event add this below line.

GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
            GlobalConfiguration.Configuration.Formatters.Remove(GlobalConfiguration.Configuration.Formatters.XmlFormatter); 

After this u shud b able to run the webapi

Output:

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