asp.net-mvc

问题 I'm working on an ASP.net MVC project using EF in combination with MySql. Now this works just fine on its own but I also want to reference another class library that uses EF with SQL. When I reference the library EF seems to get confused on what provider to use for each DbContext. On my MySql DbContext I have the following attribute in order to tell EF this DbContext should be handled by the MySql provider: [DbConfigurationType(typeof(MySql.Data.Entity.MySqlEFConfiguration))] Now on the SQL

问题 I want to know the difference between those two codes can't understand what should I initialize the property in the constructor: Code 1: public class Student { public Student() { this.Courses = new HashSet<Course>(); } public int StudentId { get; set; } [Required] public string StudentName { get; set; } public virtual ICollection<Course> Courses { get; set; } } public class Course { public Course() { this.Students = new HashSet<Student>(); } public int CourseId { get; set; } public string

问题 While implementing external social login in ASP.NET Core2.2 MVC web application without ASP.NET Core Identity. I am getting below error while redirecting back to the application after successful sign in with Google, Facebook, Twitter, LinkedIn and Microsoft. An unhandled exception occurred while processing the request. Exception: Invalid state cookie. Unknown location Exception: An error was encountered while handling the remote login. Microsoft.AspNetCore.Authentication

问题 While implementing external social login in ASP.NET Core2.2 MVC web application without ASP.NET Core Identity. I am getting below error while redirecting back to the application after successful sign in with Google, Facebook, Twitter, LinkedIn and Microsoft. An unhandled exception occurred while processing the request. Exception: Invalid state cookie. Unknown location Exception: An error was encountered while handling the remote login. Microsoft.AspNetCore.Authentication

问题 I'm trying to work on a simple application. I have three SQL tables brought in through Entity Framework and had the models created automatically. I want to be able to scaffold out the Create/Details/Edit etc. views automatically in Visual Studio. I can do this automatically when I scaffold from a single model (like Name alone), but can't get anywhere when using a View Model as a source. Here are my models Name public partial class Name { public Name() { this.Addresses = new HashSet<Address>()

问题 I'm trying to work on a simple application. I have three SQL tables brought in through Entity Framework and had the models created automatically. I want to be able to scaffold out the Create/Details/Edit etc. views automatically in Visual Studio. I can do this automatically when I scaffold from a single model (like Name alone), but can't get anywhere when using a View Model as a source. Here are my models Name public partial class Name { public Name() { this.Addresses = new HashSet<Address>()

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 7 years ago . Improve this question In my Asp.NET MVC4 application I want to add a field to my model without adding it to the database. Sort of a field that only lives in c# instances of the model but not in the database itself. Is there any annotation or other way to exclude the field from the database itself?

问题 We are porting an ASP.NET MVC 4.x application to ASP.NET Core 3.1 . The current application is using EF 6.x DB first approach. As a part of this migration we are going to use EF Core 3.1 as an alternative to the current EF 6.x . So the question is: Does EF Core 3.1 support DB First approach? If not, what are the options? Are we left with only code first approach? Appreciate your helps. 回答1: Yes. It supports DB First Approach since .NET Core 1.0 until now. You need to download 4 from nugets

问题 i'm trying to build my project but i get this error An unhandled exception occurred while processing the request. InvalidOperationException: The SPA default page middleware could not return the default page '/index.html' because it was not found, and no other middleware handled the request. Microsoft.AspNetCore.SpaServices.SpaDefaultPageMiddleware+<>c__DisplayClass0_0.b__1(HttpContext context, Func next) I have looked for the solution on various sites but I have not found anything I found

问题 I'm having problem with accessing to network share from my MVC application. Application is hosted on IIS installed on remote machine named INTRANET, which is connected to same domain. Website is using Application pool which is configured for Network Service . There are anonymous and windows authentication enabled. When I'm debugging application locally (IIS Express and Visual Studio is opened as administrator) there is no problem. I can access to network share and download file. The problem