Im doing a MVC app but when I try to run it, it shows the following errors System.ObjectDisposedException: 'The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.' item.Plan.Plan_Days = 'item.Plan.Plan_Days' threw…
I am new to .NET and the MVC architecture. I am working on a mini project to create API for students information processing. However, I encountered the following error while attempting to create a collection of new students using curl:…
I made an exam-question relationship, every exam has less than 200 questions, but when I run migrations, I go to the PHPMyAdmin and I don't find the foreign key set, it's only a bigint(20) unsigned column and not linked to…
This Will return only when the user is available at the same case public async Task<IActionResult> Index(string UserSearch) { ViewData["GetUserDDetails"] = UserSearch; var UserQuery = from x in _context.Users select x; if (!string.IsNullOrEmpty(UserSearch)) { UserQuery = UserQuery.Where(x => x.Username.Contains(UserSearch) ||…
I was trying to create an empty MVC project in VS 2022 but I couldn't find true project type. When I chose "Asp.NET Web Application (Model-View-Controller)", it wasn't empty. When I chose "Asp.NET Web Application", it wasn't a MVC project.…
i'm making a webbapplication with ASP.NET MVC and im trying to edit my list of objects. If i for example add a product to the site and then click on edit for that product to change the prize i just…
Expected result : List<something> obj = new List<something>(); //something is i need. string[] val = new string[] {"hi","20"}; //here I used static but input data fetch from CSV file. So we don't know when which type of data will come?.…
I have tree models 'cinema', 'cinemaHall' and 'seo', where 'cinema' has relationship @OneToMany to 'cinemaHall'. Also, 'cinema' and 'cinemaHall' models have relationship @OneToOne to 'seo'. The problem is in model seo. After creating 'cinema' and 'cinemaHall' I'm getting, the same…
I have 2 parameters. one is defaultFromD and another is defaualtToD. if I give 2 date range for this x.CreatedOn >= defaultFromD && x.CreatedOn <= defaultToD x.CreatedOn >= '2021-10-17' && x.CreatedOn <= '2021-10-20' its working. but if I give same…
On my site I have a page on /Home/Index This is the index page in my HomeController. To reach this page I have the link: <li class="nav-item"> <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a> </li> I want to add the same…