public int Upload(String fileName) { db = new CrowdfundingEntities(); String[] substrings = fileName.Split('.'); String firstname = ""; String secondname = ""; for (int i = 0; i < (substrings.Length - 1); i++) { if (i != 0) { firstname = firstname + "." + substrings[i]; } else { firstname = substrings[i]; } } secondname = substrings[(substrings.LongLength - 1)]; secondname = secondname.ToLower(); System.DateTime nowTime = System.DateTime.Now; this.mTime = nowTime; String datestrs = nowTime.ToString("yyyy/MM/dd hh:mm:ss"); this.temp_str_array = datestrs.Split(' '); this.temp_str_array = this.temp_str_array[0].Split('/'); var query = from d in db.CfFile select d; Models.CfFile qfile = new Models.CfFile(); qfile.firstName = firstname; qfile.secondName = secondname; qfile.makeTime = nowTime; qfile.stEnable = "Y"; db.CfFile.Add(qfile); db.SaveChanges(); this.lastid = qfile.id; return(this.lastid); }