我尝试使用此命令更改网页mvc应用程序的登录页面。
我在下面收到此错误。我该如何解决?
public void Configure(IServiceCollection services, IApplicationBuilder app, IHostingEnvironment env)
{
app.AddMvc().AddRazorPagesOptions(options =>
{
options.Conventions.AddPageRoute("/Products/Index", "");
});
错误:
InvalidOperationException: No service for type 'Microsoft.Extensions.DependencyInjection.IServiceCollection' has been registered.
答案 0 :(得分:2)
添加ConfigureServices
方法以配置服务和DI:
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc().AddRazorPagesOptions(options =>
{
options.Conventions.AddPageRoute("/Products/Index", "");
});
}
应使用Configure
方法来配置HTTP管道(即app.UseMvc();
)
有关更多信息,请参见App startup in ASP.NET Core