private void Button_Click_1(object sender, RoutedEventArgs e)
{
CostWindow cost = new CostWindow();
cost.Show();
this.Close();
}
private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
{
var CostData = new CostWindow();
// var data = Udgiftdata.UdgiftSum; // Ska ind og have fat i udgift summen
}
