asp.net-core-mvc

问题 I am using visual studio 2017. I just download project from asp net boiler plate and open it in vs 17. When i rebuild the solution i got the big list of 370 errors. Few are listed below due to the content limits. Severity Code Description Project File Line Suppression State Error Package Microsoft.AspNetCore.Server.Kestrel 2.0.0 is not compatible with netcoreapp2.0 (.NETCoreApp,Version=v2.0). Package Microsoft.AspNetCore.Server.Kestrel 2.0.0 supports: netstandard2.0 (.NETStandard,Version=v2.0

问题 I am running a project with ASP.NET Core (2.1) MVC. In our company we do have a lot of work done with SQL Report Builder (rdlc and rdl files). Therefore we wanted to use a "one the fly" mechanism to generate PDF Files with the ReportBuilder technology in the asp.net core mvc webapp. I tried the same nuget packages we are using in .net Framework (asp.net API and desktop app) but they are not working. The packages I tried are: Microsoft.ReportingServices.ReportViewerControl.Winforms Microsoft

问题 This is honestly mindblowing, I can't get it to work. The context is always null, wherever it is injected... Do I have to add an instance of the context in Startup.cs? If Yes, how? Originating calls services.AddTransient<SessionService>(); Toast.Configure(app.ApplicationServices.GetRequiredService<SessionService>()); _session.Set("foo", "bar"); Toast Class public class Toast { private static SessionService _session; public static void Configure(SessionService sessionService) { _session =

问题 I'm trying to work out how to model bind a collection to a model property within asp.net core. I understand that the way this can be done is to include fields as so: <input type="hidden" asp-for="items[0].Id" /> <input type="hidden" asp-for="items[0].Name" /> <input type="hidden" asp-for="items[1].Id" /> <input type="hidden" asp-for="items[1].Name" /> However what do you do if you want to allow the user to add additional items and/or remove others. In this case I am adding these items client

问题 I'm building an application on ASP.NET core using MVC. I'm also using the Identity and Entity 7 framework in my application. I'm running the application on Microsoft Azure which should come with a HTTPS certificate. I'm enabling HTTPS in my Startup.cs using this code services.AddMvc(options => { #if !DEBUG options.Filters.Add(new RequireHttpsAttribute()); #endif }); My problem is that when I visit the web app I get a 310 HTTP ERR_TOO_MANY_REDIRECTS response. I already tried to clear my

问题 I'm trying to make my keys persist for users that log in. As I'm currently using shared hosting for the website, I've decided to use the file system to store the keyring. So the code looks like this: services.AddDataProtection() .PersistKeysToFileSystem(new DirectoryInfo("")) .SetApplicationName("MyWebsite") .SetDefaultKeyLifetime(TimeSpan.FromDays(90)) .ProtectKeysWithCertificate(cert); However, what I'm not really understanding is where I should hold these keys, and what would be the path I

问题 Requirement: There are some controller methods which only can be called if: 1. User has role "TaskAdmin" OR 2. User is responsible for the database object which will be modified within the controller method (There is just a column with an user id to compare). The records in this datatable can change and are not "hardcoded". I know 2 possibilities to solve this problem: Create 2 methods. One with the attribute [Authorize(Roles = "TaskAdmin")] and one where it will be checked if the user is

问题 I need to customize model binding for a particular class Foo that involves extending the normal binding logic with some additional post-processing (e.g., conditionally set null collection fields to an empty collection). I want to add this logic to model binding so that the results are available to action filters, etc. The most direct approach would be to derive from ComplexTypeModelBinder and override BindModelAsync . However, that method is unfortunately not virtual. Composition is the next

问题 With ASP.NET 5, there's already a DI shipped as default and it looks interesting. I have been using Autofac with MVC 5 which has the option to register all the assembly at once. Here is a sample code that register all the classes that ends with "Service" in Autofac. // Autofac Configuration for API var builder = new ContainerBuilder(); builder.RegisterModule(new ServiceModule()); ... ... builder.RegisterAssemblyTypes(Assembly.Load("IMS.Service")) .Where(t => t.Name.EndsWith("Service"))

问题 With ASP.NET 5, there's already a DI shipped as default and it looks interesting. I have been using Autofac with MVC 5 which has the option to register all the assembly at once. Here is a sample code that register all the classes that ends with "Service" in Autofac. // Autofac Configuration for API var builder = new ContainerBuilder(); builder.RegisterModule(new ServiceModule()); ... ... builder.RegisterAssemblyTypes(Assembly.Load("IMS.Service")) .Where(t => t.Name.EndsWith("Service"))