Set SQL DateTime to Empty/Nothing in vb.net -


मेरे पास SQL ​​( दिनांकटाइम डेटाटाइप के) में एक दिनांक कॉलम है । किसी विशेष परिदृश्य के लिए, मुझे अपने ब्राउज़र में इसे रिक्त रूप में दिखाना होगा। मैंने कोशिश की 

  मंद DOB के रूप में नल योग्य (तिथि की तिथि) = दिनांक। अब मंद आंकड़े स्ट्रिंग के रूप में = DOB.Value.ToString ("डी") DOB = कुछ भी नहीं   
 लेकिन यह मुझे  डेटटाइम एक उचित प्रारूप में नहीं था कहने में त्रुटि देता है । 
 
 यहाँ क्या गलत है?

आप निम्न में से किसी एक को भी आज़मा सकते हैं: 

  मंद आंकड़े के रूप में स्ट्रिंग = IF ( DOB कुछ नहीं है, "", DOB.Value.ToString ("d"))

या 

  डायरेक्टिंग के रूप में स्ट्रिंग = "" यदि नहीं है तो डीबी कुछ नहीं है तो डीएटीस्टिंग = डीओबी.वैल। टॉस्ट्रिंग ("डी") समापन यदि

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