Message in Chinese (Simplified) (中文(简体))
只能存在一个 DBNull 实例,且不允许进行对 DBNull 反序列化方法的调用。
Unlocalized message
Only one DBNull instance may exist, and calls to DBNull deserialization methods are not allowed.
Search by Google只能存在一个 DBNull 实例,且不允许进行对 DBNull 反序列化方法的调用。
Only one DBNull instance may exist, and calls to DBNull deserialization methods are not allowed.
Search by Google