I am new to MVC
. In My Application , I'm Retrieving the Data from Mydatabase. but when I run my Application it show Error Like This
this is my url
http://localhost:7317/Employee/DetailsData/4
Exception Details: System.ArgumentException: The parameters dictionary contains a null entry for parameter 'k' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult DetailsData(Int32)' in 'MVCViewDemo.Controllers.EmployeeController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter.
Parameter name: parameters
this is my web.config file code
<connectionStrings>
<add name="EmployeeContext" connectionString="Server=.;Database=mytry;integrated security=true; ProviderName=System.Data.SqlClient"/>
</connectionStrings>
this is my Employee Model Class(Employee.cs)
[Table("emp")] /* to map tablename with our class name*/
public class Employee
{
public int EmpId { get; set; }
public string Name { get; set; }
public string Gender { get; set; }
public string City { get; set; }
}
My EmployeeContext.cs Model class
public class EmployeeContext:DbContext
{
public DbSet<Employee> Employees { get; set; }
}
my EmployeeController.cs
public ActionResult DetailsData(int k)
{
EmployeeContext Ec = new EmployeeContext();
Employee emp = Ec.Employees.Single(X => X.EmpId == k);
return View(emp);
}
and my view
<h2>DetailsData</h2>
@Model.Name<br />
@Model.City<br />
@Model.Gender<br />
@Model.EmpId
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