public MyWindow()
{
Loaded += MyWindow_Loaded;
}
private void MyWindow_Loaded(object sender, RoutedEventArgs e)
{
SQLiteConnection conn = new SQLiteConnection("Data Source=C:\\Users\\Степан\\Desktop\\project.db");
SQLiteCommand command = new SQLiteCommand("select * from Dolznosti", conn);
conn.Open();
DbDataReader reader = command.ExecuteReader();
while (reader.Read())
Combobox1.Items.Add((string)reader["FIO"]); //СтолбецТаблицы
conn.Close();
}