File Operations

using System;
using System.IO;
using System.Linq;

namespace test
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamReader _srFile_ = new StreamReader("file.txt");
            while (!_srFile_.EndOfStream)
            {
                string _cLine_ = _srFile_.ReadLine();
                int num = int.Parse(_cLine_.Substring(7, _cLine_.IndexOf(' ') - 7));
                Console.Write("Number: " + num);
                // TODO: add num to database
                _cLine_ = _cLine_.Substring(_cLine_.IndexOf(' ') + 1);
                do
                {
                    string alphabet;
                    alphabet = (_cLine_.Contains(' ')) ? _cLine_.Substring(9, _cLine_.IndexOf(' ') - 9) : _cLine_.Substring(9, _cLine_.Length - 9);
                    // TODO: add alphabet to database
                    Console.Write(" Alphabet: " + alphabet);
                    if (!_cLine_.Contains(' '))
                    {
                        _cLine_ = string.Empty;
                        break;
                    }
                    _cLine_ = _cLine_.Substring(_cLine_.IndexOf(' ') + 1);
                }
                while (_cLine_.Length > 0);
                Console.WriteLine();
            }
            Console.ReadLine();
            _srFile_.Close();
        }
    }
}