How to change level name using data annotation in ASP.Net MVC?

My code in model is like this: Inside Employee.cs: [Required] [Display(Name =”Department”)] [ForeignKey(“Department”)] public int DepartmentId { get; set; } public Department Department { get; set; } Inside Department.cs: public List<Employee> Employees { get; set; } In View Source of the web page, I get: <div class=”form-group”> <label class=”control-label col-md-2″ for=”DepartmentId”>DepartmentId</label> <div class=”col-md-10″> <select class=”form-control”…

link tag with id element doesnt work in asp.net webpage

The following line of code doesnt work in asp.net website, how do i get the webpage to work? <link rel=”stylesheet” href=”css/style.css” id=”main-styles-link”> It doesnt like id the part “id=”main-styles-link””. Because on the designer file it shows protected global::System.Web.UI.HtmlControls.HtmlLink main-styles-link; and this is highlighted as error.. Severity Code Description Project File Line Suppression State Error CS1003…

ASP.Net Core – Unexpected exception in IISHttpServer.HandleRequest

I have ASP.Net Core 2.2 application. This is running fine when running from Visual Studio (Both Debug & Release mode) But when I deploy the same to IIS in any machine, it’s throwing 500 error. “MessageTemplate”: “Unexpected exception in IISHttpServer.HandleRequest.”, “Exception”: “System.NullReferenceException: Object reference not set to an instance of an object.\r\n at Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext.GetOriginalPath()\r\n at…

How to submit multiple checkbox selections containing existing selections and save the newly modified items in ASP.NET MVC

I have a model called Course and another model called SelectedCourse. These two models represent two different tables and have exclusive properties to their own and hence not the same type. I would like to display List<Course> on my page in the form of multiple check-boxes. The courses that are available in the List<SelectedCourse> should…