asp.net-core-2.0

问题 I have text files, I need to add a space at the 8th character of each line in the text file. Text files have 1000+ multiple rows How would I conduct this? Original file example: 123456789012345.... abcdefghijklmno.... New file: 12345678 9012345 abcdefgh ijklmno Reading this article is helpful: Add a character on each line of a string Note: Length of text lines can be variable (not sure if it matters, one row can have 20 characters, next line may have 30 characters, etc. All text files are in

问题 I have a select in a form in the Layout of my web app that needs to be accessible from every page. The form sets a session variable that is required to load data on every page. <form asp-page-handler="CustomerChange" method="post" class="navbar-form navbar-left"> <select name="Customer" id="Customer" class="form-control" onchange="this.form.submit()"> <option value="">Select Customer</option> <option value="Vand">Vandalay</option> <option value="Kram">Kramerica</option> </select> </form> I

问题 I have asp.net core web api server that is streaming a signalr, And it works for asp.net client , I am trying to make a connection with the code showen beelow but it only connects to a none core servers it wouldnt work for the core servers. //the hub class in the server code [EnableCors("AllowAllOrigins")] [HubName("LogNotifierHub")] public class LogNotifierHub : Hub { //methods defined here } startup code for the routing : app.UseSignalR(routes => { routes.MapHub<LogNotifierHub>("

问题 I am working on Identity Server 4 with asp.net core 2.0. In ConfigurationServices() method i added: app.UseIdentityServerAuthentication(new IdentityServerAuthenticationOptions { Authority = "http://localhost:59391", RequireHttpsMetadata = false, ApiName = "api1" }); But it gives compile error that: Reference to type 'AuthenticationOptions' claims it is defined in 'Microsoft.AspNetCore.Authentication', but it could not be found. When i look into assembly code: namespace Microsoft.AspNetCore

问题 I have two method helper with theses signatures: @helper CreateNavigation(int parentId, int depthNavigation) @helper Navigation(int parentId, int depthNavigation) I have tried to convert it to a proper method for using in ASP.NET Core 2 . But I got an error in VS2017 IDE that is: 1- Use of unassigned local variable 'Navigation' 2- local variable 'Navigation' might not be initialized before accessing How can I fix it? @using Microsoft.AspNetCore.Html @using Microsoft.AspNetCore.Mvc.Razor

问题 I have a page where the user can select multiple files and upload them. Once the files are buffered in the server, they are deserialized, and the object graphs are stored using Entity Framework Core 2 and SQL Server. All this happens within a controller action. The problem is that when the file is a little bit bigger, this collection of tasks can take about 5 minutes to complete, and because of that, I get a 502 error (probably a timeout). To solve this problem, I had the idea of reporting

问题 I believe this is more a bug report than a support question, but may be i can workaround it. I am building & testing a .net core 2 app: the vstest step is configured as below: A trx file and a binary .coverage files are produced. If Code coverage checkbox is disabled, build works. If enabled like in the picture it fails with the following error: SonarQube Scanner for MSBuild 3.0.2 Default properties file was found at C:\agent\_work\_tasks\SonarQubeScannerMsBuildBegin_15b84ca1-b62f-4a2a-a403

问题 Why can't Web API Core 2 tell these apart? [HttpGet] public IEnumerable<string> Get() { return new string[] { "value1", "value2" }; } // GET api/values?name=dave [HttpGet] public string Get(string name) { return $"name is {name}"; } Here's what happens - Both http://localhost:65528/api/values and http://localhost:65528/api/values?name=dave cause the first Get() method to execute. This exact code works fine in Web Api 2. I know multiple ways of getting around this, but I don't know why it

问题 I'm trying to determine if it's possible to configure the column options for serilog sink mssqlserver in the appsettings.json file for an ASP.Net Core 2 project. I create and configure the logger in the Program.cs file. public static IConfiguration Configuration { get; } = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()) .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true) .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE

问题 I am facing the problem with JWT Authentication in ASP.Net Core. The scenario looks following: I have a ASP.NET Core Web API, let's call it 'API A'. It is resonsible for generating JWT Token to user who provide correct login/password, then token is generating. I have second ASP.NET Core Web Api, called 'API B' which returns some data from database. I would like to be able to use JWT token, generated by 'API A' to authorize access to data from 'API B'. Is it possible to achieve it by using