Why it occurs this error [The JSON value could not be converted to System.Nullable]

项目中的报错示例:

 

网上解答示例:

Why it occurs this error [The JSON value could not be converted to System.Nullable]_第1张图片

 

参考文章:

.net - Why it occurs this error [The JSON value could not be converted to System.Nullable] when ASP.NET Core is upgraded from 2.1 to 3.1? - Stack Overflow 

你可能感兴趣的:(前端,前端)