linq - the point of the Field extension method -

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डेटारॉ पर फ़ील्ड एक्सटेंशन विधि का क्या मतलब है (अन्तर्हित डेटाटैबल्स के लिए)? फ़ील्ड का उपयोग करने के साथ फ़ील्ड का उपयोग करने या नहीं।

फ़ील्ड : 

  फ़ील्ड :  
  (गुड) myRow ["myColName  
 
 "]

मुझे कोई सम्मोहक सुधार नहीं दिखाई देता।

<पी > विस्तार विधियों को DBNull की अवधारणा, दोनों दिशाओं में - फ़ील्ड और SetField , संदर्भ प्रकारों और नल योग्य मूल्य प्रकारों के लिए सार को दूर करता है। गैर-नल योग्य मूल्य प्रकार के लिए वे समतुल्य हैं।


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