public static List<String[]> ReadTxt(string filePathName)
        {
            List<String[]> ls = new List<String[]>();
            StreamReader fileReader=new   StreamReader(filePathName); 
            string strLine="";
            while (strLine != null)
            {
                strLine = fileReader.ReadLine();
                if (strLine != null && strLine.Length>0)
                {
                    ls.Add(strLine.Split(','));
                    //Debug.WriteLine(strLine);
                }
            }
            fileReader.Close();
            return ls;
        }

------解决方案--------------------
stringbuild sb=new  stringbuild();  
StreamReader fileReader=new   StreamReader(filePathName);  
           string strLine="";
           while (strLine != null)
           {
               strLine = fileReader.ReadLine();
               if (strLine != null && strLine.Length>0)
               {
                   string[] Values = strLine .Split(',');
                   //数据库sql语句
                      sb.append("insert into table(....)values(values[0],values[1]..)"
               }
           }
           //执行数据库操作
             exSQL(sb.tostring());