Read raw JSON in a WebAPI method that uses model binding

WebAPIRawJSON.cs

//Add 
//Request.Content.ReadAsStreamAsync().ContinueWith(t => t.Result.Seek(0, SeekOrigin.Begin)).Wait(); 
//to your POST method, e.g.

[AntiForgeryToken]
public WeldProjectInfo Post([FromBody]RequestDetail details)
{
    try
    {
        Request.Content.ReadAsStreamAsync().ContinueWith(t => t.Result.Seek(0, SeekOrigin.Begin)).Wait();
        WeldProjectInfo weldProjectInfo = new WeldProjectInfo();
        //...
    }
}

//Step over the origin seek line, then add a watch for 
//Request.Content.ReadAsStringAsync().Result