private void btnBackupTables_Click(object sender, EventArgs e)
{
//db.BackupTableTsv("SchoolSubjects");
//db.BackupTableTsv("TestTypes");
//db.BackupTableTsv("QuestionTypes");
////db.BackupTableTsv("AnswerTypes");
//db.BackupTableTsv("GradeTypes");
//db.BackupTableTsv("GradeCategories");
//db.BackupTableTsv("Schools");
//db.BackupTableTsv("SchoolYears");
//db.BackupTableTsv("SchoolPeriods");
db.BackupTableXml("SchoolSubjects");
db.BackupTableXml("TestTypes");
db.BackupTableXml("QuestionTypes");
//db.BackupTableXml("AnswerTypes");
db.BackupTableXml("GradeTypes");
db.BackupTableXml("GradeCategories");
db.BackupTableXml("Schools");
db.BackupTableXml("SchoolYears");
db.BackupTableXml("SchoolPeriods");
MessageBox.Show("Salvataggio tabelle terminato");
}