The difference between null and DBNull.Value
2008-07-19 00:21
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"null" means the object reference is invalid in .NET, when you retrieve a NULL value from the Database, it is a valid value to .NET, and it is represented by System.DBNull.Value.
null在.net中意思是对象无效，但是当你在数据库中查找NULL值时，对于.net确是有效的，他的值就是DBNull.Value
null在.net中意思是对象无效，但是当你在数据库中查找NULL值时，对于.net确是有效的，他的值就是DBNull.Value
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