English version of all error messages you can encounter while programming
  |   ABOUT


Localized version

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。
Click to search this error in Google

English version

Only one DBNull instance may exist, and calls to DBNull deserialization methods are not allowed.
Click to search this error in Google

Localized version
 Chinese (Simplified) Legacy

Error category
 .Net Framework

Other localized versions
24 versions
Copyright © dotmedias 2012 Launched in 2012, to help programmers finding solutions