ios - how to add two integer values in objective-c -


मैंने निम्न कोड लिखा है 

  NSString * a = @ "TextField1.text" ; NSInteger b = [एक पूर्णांक वैल्यू]; NSString * p = @ "TextField2.text"; NSInteger q = [p पूर्णांक वैल्यू]; _TextLable.text = [NSString stringWithFormat: @ "% d", b + q];   
 इसे बी और क्यू जोड़ना हमेशा नतीजे 0 में  _TextLable.text    
 
 
  NSString * a = @" TextField1.text ";  आपको निम्न सामग्री के साथ एक  NSString  देगा:  
  TextField1.text   
 यह निश्चित रूप से आपके लिए क्या नहीं है। समस्या यह है कि पूर्णांक को परिवर्तित करने में विफल रहता है, और यही कारण है कि  NSInteger  0 है। और 0 * 2 के बाद से 0, आपको परिणाम के रूप में 0 मिलता है।  
 यदि आप पहले से ही  TextField1  और  TextField2  लिंक किए गए UITextFields के रूप में है, फिर निम्न का उपयोग करें:  
  NSString * a = TextField1.text; NSInteger b = [एक पूर्णांक वैल्यू]; NSString * p = TextField2.text; NSInteger q = [p पूर्णांक वैल्यू]; _TextLable.text = [NSString stringWithFormat: @ "% d", b + q];   
 मैं सामान्यतः उद्देश्य सी या प्रोग्रामिंग पर एक किताब पढ़ने की सिफारिश करता हूं, क्योंकि ऐसा लगता है कि आपको बुनियादी समझ की कमी है।

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