ios - Texfield sending null value to web service -


i have 3 uitextfield's, date1, date2(uidatepicker) , station name(like combobox). first of must load station name station name uitextfield.when enter listing starting station name.i select first date,second date , station name send web service display fields on labels.i want sending station id when select station name.every station name have station id.

anybody have idea or sample ? thanks.

if using picker view try this:

- (nsinteger)numberofcomponentsinpickerview:(uipickerview *)pickerview {     return 1; }   - (nsinteger)pickerview:(uipickerview *)pickerview numberofrowsincomponent:(nsinteger)component {      return 3; } - (nsstring *)pickerview:(uipickerview *)pickerview titleforrow:(nsinteger)row forcomponent:(nsinteger)component {       if(row == 0)     {         return @"station 1";      }     else if(row == 1)     {         return @"station 2";     }     else if (row==2)     {         return @"station 3";      }     return @"";  }  - (void)pickerview:(uipickerview *)pickerview didselectrow:(nsinteger)row incomponent:(nsinteger)component {      if(row == 0)     {         self.int_stationid = 1;      }     else if(row == 1)     {         self.int_stationid = 2;      }     else if (row==2)     {         self.int_stationid = 3;      } }

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