protected void GridViewEmployees_SelectedIndexChanged(object sender, EventArgs e)
 {
     NorthwindEntities context = new NorthwindEntities();
     GridView gridView = (GridView)sender;
     var employeeId = Convert.ToInt32(gridView.SelectedValue);
     Thread.Sleep(2000);
     var orders = context.Orders.Where(emp => emp.EmployeeID == employeeId).Take(10).ToList();
     this.GridViewOrders.DataSource = orders;
     this.GridViewOrders.DataBind();
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     NorthwindEntities context = new NorthwindEntities();
     this.GridViewEmployees.DataSource = context.Employees.Take(10).ToList();
     this.GridViewEmployees.DataBind();
 }