.net core 3.1 上传大文件报错413 Payload Too Large

IIS配置如下

https://www.cnblogs.com/hallejuayahaha/p/12884347.html 

代码里面新增

 services.Configure<FormOptions>(options => {
                options.MultipartBodyLengthLimit = 1024 * 1024 * 2000;
                options.MultipartHeadersCountLimit = 100;

            });

            services.Configure<KestrelServerOptions>(options =>
            {
                //Set the limit to 256 MB
                options.Limits.MaxRequestBodySize = 268435456;
            });