for 循环读一行总行数减少一行， 哪行有问题断点插在哪行

   string[] text = File.ReadAllLines(file);

                FileStream fs = new FileStream(file,FileMode.Open);

                StreamReader m_streamReader = new StreamReader(fs, System.Text.Encoding.GetEncoding("GB2312"));
                m_streamReader.BaseStream.Seek(0, SeekOrigin.Begin);

                int num = text.Length;

                for (int i = 0; i < num; i++)

            
                {
                    //if (i == 129696)
                    //{
                    //    string aaa = "";
                    //}

                    string strLine = m_streamReader.ReadLine();

                    if (strLine == null || strLine == "")
                {
                 
                    continue;
                }

  strLine = m_streamReader.ReadLine();
                        num = num - 1;
                        WWN_VCD = strLine.Substring(snlength, 16).Trim();

                        strLine = m_streamReader.ReadLine();
                        num = num - 1;