asp.net-core-3.0

问题 I am in the process of upgrading to EF Core 3.0 and .NET Core 3.0, but some of my queries stopped working. Here is an example: I have a table called Bins , I have another table which is called BinItems , now it has, of course, a one to many relationship. BinItems has a property called Qty , and I want to sum up all the Qty from BinItems based on criteria given by the client in a filter. So here is the code: var query = _binRepository.Table; if (filter.LastRecountDate != null) { query = query

问题 I migrated my project from ASP.NET Core 2.2 to ASP.NET Core 3.0. Now I get this exception. In ASP.NET Core it was using FromSql - now it is using FromSqlRaw . I am calling my procedure using Entity Framework Core. SqlParameter Username = new SqlParameter { ParameterName = "USERNAME", SqlDbType = SqlDbType.NVarChar, Value = user.Username, Direction = ParameterDirection.Input, Size = 50 }; SqlParameter Password = new SqlParameter { ParameterName = "PASSWORD", SqlDbType = SqlDbType.NVarChar,

问题 I migrated my project from ASP.NET Core 2.2 to ASP.NET Core 3.0. Now I get this exception. In ASP.NET Core it was using FromSql - now it is using FromSqlRaw . I am calling my procedure using Entity Framework Core. SqlParameter Username = new SqlParameter { ParameterName = "USERNAME", SqlDbType = SqlDbType.NVarChar, Value = user.Username, Direction = ParameterDirection.Input, Size = 50 }; SqlParameter Password = new SqlParameter { ParameterName = "PASSWORD", SqlDbType = SqlDbType.NVarChar,

问题 I migrated my project from ASP.NET Core 2.2 to ASP.NET Core 3.0. Now I get this exception. In ASP.NET Core it was using FromSql - now it is using FromSqlRaw . I am calling my procedure using Entity Framework Core. SqlParameter Username = new SqlParameter { ParameterName = "USERNAME", SqlDbType = SqlDbType.NVarChar, Value = user.Username, Direction = ParameterDirection.Input, Size = 50 }; SqlParameter Password = new SqlParameter { ParameterName = "PASSWORD", SqlDbType = SqlDbType.NVarChar,

问题 I have recently upgraded my web api from .Net core 2.2 to .Net core 3.0 and noticed that my requests are getting an error now when I pass an enum in a post to my endpoint. For example: I have the following model for my api endpoint: public class SendFeedbackRequest { public FeedbackType Type { get; set; } public string Message { get; set; } } Where the FeedbackType looks like so: public enum FeedbackType { Comment, Question } And this is the controller method: [HttpPost] public async Task

问题 json serializer settings for legacy asp.net core applications were set by adding AddMvc().AddJsonOptions() , but I don't use AddMvc() in asp.net core 3 . So how can I set global json serialization settings? 回答1: AddMvc returns an IMvcBuilder implementation, which has a corresponding AddJsonOptions extension method. The new-style methods AddControllers , AddControllersWithViews , and AddRazorPages also return an IMvcBuilder implementation. Chain with these in the same way you would chain with

问题 I want to test the new Blazor server-side framework (aka Razor Components). I installed Visual Studio 2019 RC, and then the .Net Core 3.0 preview 2, following this official tutorial. After the install, I only see the ASP.NET Core 2.0 and the 2.1 on the "Create a new ASP.NET Core Web Application" page. The 3.0 is not showing up. I started to mess around, trying to install other packages from this page, uninstalled and reinstalled Visual Studio 2019, updated to the .NET Core Preview 3,

问题 According to https://docs.microsoft.com/en-us/aspnet/core/mvc/views/view-compilation?view=aspnetcore-3.0 by default razor views should recompile on change on local environments for asp.net core 3.0. However, my project doesn't do this locally. If I change a view and refresh when I'm debugging locally, the change does not reflect. I have to stop the solution, re-run, and then see the change. I am doing this on a default ASP.NET Core Web Application template on Visual Studio 2019 with asp.net

问题 I started learning .net core a few days ago and as a start, I created a .netcore project with an inbuilt angular 8 templates. It has a couple of pages built in angular, like counter and fetches data, etc, but all the Identity-related pages (login, registration, etc) are coming as a plain HTML from the backend. So "my main Concern is making some UI changes in that page". I found out that the identity has been added to the class library and hence not visible in the backend code. and In order to

问题 I am developing an Blaor.Net Application , taking reference from many post available on internet . The Problem i am facing that i want to move code from UI to a seprate file to keep razor file clean readable and understandable . For this i am keeping my UI side C# code into a separate component which is inherited from BaseComponent @page "/Item" @using WebApplication1.Shared @using WebApplication1.Client.Services; @inherits ItemComponent @if (ItemList != null) { <table class="table"> <thead>