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Hi, I am developing simple task using different layers and everything is working fine but I have scenario where I need to insert to two tables when click on save ,one employee table and other employeeposition table. Here is my code.
In Service class
public void Update(EmployeeViewModel employeeViewModel)
            Employee employee = new Employee()
                EmployeeId = employeeViewModel.EmployeeId,
                FirstName = employeeViewModel.FirstName,
                LastName = employeeViewModel.LastName,
                PhoneNumber = employeeViewModel.PhoneNumber,
                Address = employeeViewModel.Address,
                EmployeePositions = new List 
                    new EmployeePosition 

            if (employee == null)
                throw new ArgumentNullException("Employee Update");

In Repository Class
public void UpdateCollection(ICollection collection)
            if (collection == null)
                throw new ArgumentNullException("collection is null");
            foreach (var item in collection)
                DataContext.Entry(item).State = EntityState.Deleted;
and COntroller class

        public ActionResult Edit(int? id)
            var employee = _employeeService.GetById((int)id);
            if (employee == null) throw new ArgumentNullException("Employee Information Not Found");
            return View(employee);

        public ActionResult Edit(EmployeeViewModel employee)
            return RedirectToAction("View", "Employee");

Now when ever update happens I need to delete records in employeeposition table for that employeeid and insert it.
How can I do this
Updated 26-Jan-15 23:39pm

1 solution

It seems you just trying to edit data for a particular EmployeeId. As you said "when ever update happens I need to delete records in employeeposition table for that employeeid and insert it." For that often we just edit or update that record. And I have done it using repository pattern in below articles:

WCF RESTful service and WebGrid in ASP.NET MVC 5 - Part 1[^]

CRUD Operations using Partial View and jQueryUI in ASP.NET MVC4 - Part 1[^]

If you are using ADO.NET or other DB you need to write your query accordingly in Repository. Thanks.
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