private void BtnDeleteEmployee(object sender, RoutedEventArgs e)
{
Employee emp = new Employee();
emp.EmpID = Int32.Parse(txtEmpId.Text);
string msg = da.DeleteEmployee(emp);
MessageBox.Show("" + msg);
if (msg.Equals("Employee Discontinued"))
{
MainWindow mw = Application.Current.Windows.OfType <MainWindow>().FirstOrDefault();
if (mw != null)
{
mw.MainFrame.Content = new ManageEmployees();
}
}
}