private void CreateRosterBtn_Click(object sender, RoutedEventArgs e)
{
CreateRosterWindow createRosterWindow = new CreateRosterWindow();
createRosterWindow.Show();
this.Hide();
}
public CreateRosterWindow()
{
InitializeComponent();
CreateRosterWindowInstance = this;
CreatRosterbtn.IsEnabled = false;
DatePickerEnd.IsEnabled = false;
this.Closing += WindowClosed;
DatePickerEnd.SelectedDateChanged += SelectedDateChanged;
}
