private void salvarSofware()
    {
        Sofware sft = new Sofware();

        sft.cadastrarSoftware(txtNome, txtDescricao, txtInterface, txtVersao);
        Response.Redirect("FrmSoftware.aspx?msg='Usuário cadastrado;'");
    }
    private void editarSoftware()
    {
        Sofware sft = new Sofware();

        sft.editarSofware(Convert.ToInt32(GridSoftware.SelectedRow.Cells[0].Text),
                          txtNome,
                          txtDescricao,
                          txtInterface,
                          txtVersao);

        Response.Redirect("FrmSoftware.aspx");
    }