private void btnSim_Click(object sender, RoutedEventArgs e)
{
TarefaDAO tDAO = new TarefaDAO();
tDAO.excluirPorSprintPorData(this.planejadoPara, this.data);
TarefaHistoricoDAO thDAO = new TarefaHistoricoDAO();
thDAO.excluirPorSprintPorData(this.planejadoPara, this.data);
this.uploadTela.realizarUpload(this.file);
this.Close();
}