c# - CSV file creation is shorter than expected -


i'm creating csv file, i'm using c# , csvhelper so.

my csv file ends being 205 lines long each time. know should creating 240 entries, want.

it seems stop creating csv file @ 205 lines. when running several times produce same result of 205 entry's. interestingly last field attempts write 1 letter short , i'm not sure why.

below full code.

using system; using system.collections.generic; using newtonsoft.json; using csvhelper; using system.io;  namespace pingenerator {     class program     {         static void main(string[] args)         {             generatepins generatepins = new generatepins();             generatepins.start();             console.readline();         }     }      public class generatepins     {         private dictionary<string, string> pinnumbers = new dictionary<string, string>();         private list<string> duplicatepincheck = new list<string>();         private random random = new random();          // runs sequence generation of timespans & pin numbers.         // stores these json / csv files         public void start()         {                         timespan timespan = new timespan();             timespan maxtime = timespan.fromhours(2);              timespan currenttimespan = timespan.fromseconds(30);             string currentpin = "0000";              // csv file creation             textwriter textwriter = file.createtext(@"pinnumber.csv");             var csv = new csvwriter(textwriter);              while (timespan.duration() < maxtime.duration())             {                 // create timespan & pin                 timespan = timespan.add(currenttimespan);                 currentpin = randomnumber();                  // duplicate check                 while (duplicatepincheck.contains(currentpin))                 {                     currentpin = randomnumber();                 }                 duplicatepincheck.add(currentpin);                  // cache results                 string entrypinnumber = currentpin;                 string entrytimespan = timespan.tostring();                  // json                 pinnumbers.add(entrytimespan, currentpin);                  // csv creation - write csv file                 csv.writefield(entrytimespan);                 csv.writefield(entrypinnumber);                 csv.nextrecord();                  // console                 console.writeline(entrypinnumber + " / " + timespan.tostring());                       }             string json = jsonconvert.serializeobject(pinnumbers, formatting.indented);              // write json file             using (system.io.streamwriter file = file.createtext(@"pinnumbers.json"))             {                 jsonserializer serializer = new jsonserializer();                 serializer.serialize(file, pinnumbers);             }             console.writeline("created " + pinnumbers.count() + " pin numbers.");         }          public string randomnumber()         {             string result = random.next(0, 9999).tostring();             result = result.padleft(4, '0');             return result;         }     } } 

textwriter textwriter = file.createtext(@"pinnumber.csv");

needed changed 

streamwriter streamwriter = file.createtext(@"pinnumber.csv");

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