public static void Add(Employee employee)
{
var context = new SoftUniEntities();
context.Employees.Add(employee);
context.SaveChanges();
Console.WriteLine("Employee has been added.");
}
public static void Modify(int employeeId, string property, object value)
{
var context = new SoftUniEntities();
var selectedEmployee = context.Employees.Find(employeeId);
selectedEmployee.GetType().GetProperty(property).SetValue(selectedEmployee, value);
context.SaveChanges();
Console.WriteLine("Employee has been modified.");
}
public static void Delete(int employeeId)
{
var context = new SoftUniEntities();
var selectedEmployee = context.Employees.Find(employeeId);
context.Employees.Remove(selectedEmployee);
context.SaveChanges();
Console.WriteLine("Employee has been deleted.");
}
static void Main()
{
var contextOne = new SoftUniEntities();
var empOne = contextOne.Employees.Find(1);
empOne.FirstName = "Mincho";
var contextTwo = new SoftUniEntities();
var empTwo = contextTwo.Employees.Find(1);
empTwo.FirstName = "Zdravko";
contextOne.SaveChanges();
contextTwo.SaveChanges();
//result with [Concurrency Mode] = None: second win: the first name is set to Zdravko
//result with [Concurrency Mode] = Fixed: first win: the first name is set to Mincho
}