Mysql.cs

public void SelectData(string query)
{
    MySqlConnection conn = new MySqlConnection(mysqlcs);
    try
    {
        conn.Open();
        MySqlCommand sqlquery = new MySqlCommand(query, conn)
        {
            CommandTimeout = 0
        };
        MySqlDataReader returneddata = sqlquery.ExecuteReader();
        ArrayList returnme = new ArrayList();
        int looper = 0;
        while (returneddata.Read())
        {
            int fieldloop = 0;
            ArrayList row = new ArrayList();
            row.Clear();
            while (fieldloop < returneddata.FieldCount)
            {
                row.Add(returneddata.Item(fieldloop));
                fieldloop = fieldloop + 1;
            }
            returnme.Add(row);
        }
        return returnme;
    }
    catch (MySqlException ex)
    {
        return ex.Message;
    }
    finally
    {
        conn.Close();
    }
}