Database Schema Query: हालांकि उपरोक्त Form Normal तरीके से काम करता है, लेकिन इसकी एक समस्या है और वह समस्या ये है कि यदि हम उपरोक्त Form पर स्थित दोनों Buttons में से किसी भी Button को बार-बार Click करें, तो DataGridView Control में बार-बार समान Records Add होते जाते हैं। परिणामस्वरूप यदि हम “Fill Titles” Button को 10 बार Click करें, तो DataGridView में हर Record 10 बार दिखाई देगा, जो कि नहीं होना चाहिए। इस प्रक्रिया को रोकने के लिए हमें इस … [Read more...]
Database Schema Query
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