using Microsoft.Data.Sqlite;

var conn = new SqliteConnection ("Data Source=hello.db");
conn.Open();


string sql = "select * from sampletable";
using var cmd = new SqliteCommand (sql, conn);
SqliteDataReader reader = cmd.ExecuteReader();
while(reader.Read()) {
    Console.WriteLine($"{reader.GetString(0)} {reader.GetInt32(1)}");
}