动态创建日志文件写日志

private static string logpath = System.Windows.Forms.Application.StartupPath;
        public static void WriteLog(string businessContent, string flieName, string functionName, string description, Wapdm.Utility.Enum.LogLevel level)
        {
            #region          

            try
            {
                string strDumpPath = logpath+"\\log";
                lock (typeof(LogWrite))
                {
                    if (!Directory.Exists(strDumpPath))
                    {
                        Directory.CreateDirectory(strDumpPath);
                    }
                    using (StreamWriter sw = new StreamWriter(strDumpPath + "\\" + DateTime.Now.ToString("yyyyMMdd") + ".log", true))
                    {
                        string context = "业务：" + businessContent + ";\r\n文件名：" + flieName + ";\r\n函数名：" + functionName + ";\r\n描述：" + description;
                        sw.WriteLine(DateTime.Now.ToString());
                        sw.WriteLine(context);
                        sw.WriteLine(" ");
                        sw.WriteLine("-----------------------End---------------------");
                    }
                }

            }
            catch
            {
                
            }
            #endregion