报错信息： InvalidOperationException: Unable to resolve service for type AutoMapper.Mapper while attempting to activate BLL.Implementation.Report . 检查后发现名称写错了 错误： private readonly Mapper mapper 正确的是： priva ...
2020-11-20 10:22 0 1438 推荐指数：
在新建asp.net core 应用后， 添加了自定义的ApplicationDbContext 和ApplicationUser ,并添加了Identity认证后， 会出现 InvalidOperationException: Unable to resolve service for type ...
今天写了一个方法和接口，需要将接口通过依赖注入的方式注入到Controller里面，但是却出现了InvalidOperationException: Unable to resolve service for type ...
出现上图那样的情况 一般是没有在Startup类中的ConfigureServices中注入接口和实现类 注入一个就ok ...
An unhandled exception occurred while processing the request. InvalidOperationException: Unable to resolve service for type ...
详细错误如下 =================== System.AggregateException:“Some services are not able to be constructed (Error while validating the service descriptor ...
Unable to resolve service for type 'AspNetCoreRateLimit.IProcessingStrategy' while attempting to activate 'AspNetCoreRateLimit.IpRateLimitMiddleware ...
Unable to resolve service for type 'Microsoft.Extensions.Logging.ILogger' while attempting to activate 'xxxxx.Controllers.xxxxController'. 构造注入时需要加入 ...
