从API返回结果列表时出现异常错误

问题描述

我正在从.NET Core 3.X API返回数据，但始终收到此奇怪的错误:

I'm returning data from a .NET Core 3.X API but keep getting this strange error:

这是我在处理数据之前要做什么，然后立即将其返回.

Here is what I'm doing with the data before immediately returning it after.

     var bookings = bookingData
        .Select(x => new SpecialTaskVm(new TaskViewModel(x, null))
        {
            client = x.Client,
            carer = x.Carer,
            carer2 = x.Carer2
        })
        .ToList();

我尝试更改控制器方法类型

I have tried changing the controller method type

我希望数据能正常返回，而不是500错误

I expect the data to return normally rather than a 500 error

推荐答案

您的Client和Carer都通过ClientCarer相互间接引用.

Your Client and Carer both have indirect references to each other via ClientCarer.

我建议不要只用您需要的特定属性来创建新的类/匿名类型，而不要使用Client和Carer.

Rather than serving Client and Carer up I'd suggest creating a new class / anonymous type with just the specific properties you need.

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