public void addExpertise(Expertise xp)
{
string sql = "INSERT INTO expertise (xp) VALUES ('" + xp.getXp() + "');";
connection.Open();
SQLiteCommand command = new SQLiteCommand(sql, connection);
command.ExecuteNonQuery();
connection.Close();
}
public void updateExpertise(Expertise xp)
{
string sql = "UPDATE expertise SET xp = '" + xp.getXp() +
"' WHERE id = " + xp.getId() + ";";
connection.Open();
SQLiteCommand command = new SQLiteCommand(sql, connection);
command.ExecuteNonQuery();
connection.Close();
}