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مطالب ۳۶۹۴
نویسندگان ۲۷۶
گروه‌های مطالب ۱۰۲۴
نقشه‌های راه ۱۱۹
دوره‌ها ۱۴
اشتراک‌ها ۱۷۹۱۴
عنوان:

‫اعتبارسنجی IOptions توسط کتابخانه MiniValidation


نویسنده: سید امید موسوی
تاریخ: ۱۴۰۲/۰۴/۰۵ ۸:۳۱
آدرس: www.dntips.ir

In this post I described the problem that by default, DataAnnotation validation doesn't recursively inspect all properties in an object for DataAnnotation attributes. There are several solutions to this problem, but in this post I used the MiniValidation library from Damian Edwards. This simple library provides a convenience wrapper around DataAnnotation validation, as well as providing features like recursive validation. Finally I showed how you can replace the built-in DataAnnotation validation with a MiniValidation-based validator

 

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddOptions<MySettings>()
    .BindConfiguration("MySettings")
    .ValidateMiniValidation() // 👈 Replace with mini validation
    .ValidateOnStart();

var app = builder.Build();
OptionsValidationException: 
  DataAnnotation validation failed for 'MySettings' member: 'Nested.Value' with errors: 'The Value field is required.'.; 
  DataAnnotation validation failed for 'MySettings' member: 'Nested.Count' with errors: 'The field Count must be between 1 and 100.'.
Microsoft.Extensions.Options.OptionsFactory<TOptions>.Create(string name)
Microsoft.Extensions.Options.OptionsMonitor<TOptions>+<>c__DisplayClass10_0.<Get>b__0()




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