c# - Specified cast is not valid (double precision to int) -

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यहां मुझे पूर्णांक को दोगुना करने की आवश्यकता है।

उदाहरण : 

  obj.DayDifference =! String.IsNullOrEmpty (रीडर ["DateDiff"]। ToString ())? (इंट 32) रीडर ["डेटडीफ"]: 0;   
  प्रकार :  
     
  •  
      दिन का अंतर  प्रकार  int    
  •  
      दिनांकडिफ़  प्रकार  दोहरे सटीक  में  डेटाबेस तालिका ।    
      त्रुटि :  
     
     निर्दिष्ट कलाकार मान्य नहीं है    
     
     
     आप क्या कर रहे हैं के बराबर है:  
      वस्तु x = 32.5; Int y = (int) x;   
     आप ऐसा नहीं कर सकते - जब आप अनब्लॉक करते हैं, तो आपको  1  के वास्तविक प्रकार को अनबॉक्स खुलाना होगा।  
     ऐसा आप की आवश्यकता होगी:  
      ऑब्जेक्ट x = 32.5; Int y = (int) (डबल) x;   
      डबल  अनबॉक्स को डाली जाती है, और  int  को डाली  डबल  को  में परिवर्तित करता है > पूर्णांक । आप अपने कोड में ऐसा कर सकते हैं:  
      (Int32) (डबल) रीडर ["दिनांकडिफ़"]: 0;   
     
      1  ठीक है, कुछ चीज़ों के लिए मॉड्यूलो। सीएलआर आपको एक  int  को  uint  से या एक अंतर्निहित प्रकार के  int , आदि के साथ एक एन्यूम प्रकार को अनबॉक्स करने की अनुमति देता है।

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