Message in Chinese (Simplified) (中文(简体))
无法将 DBNull.Value 强制转换为类型“<var>Type Name</var>”。请使用可空类型。
Unlocalized message
Cannot cast DBNull.Value to type '<var>Type Name</var>'. Please use a nullable type.
Search by Google无法将 DBNull.Value 强制转换为类型“<var>Type Name</var>”。请使用可空类型。
Cannot cast DBNull.Value to type '<var>Type Name</var>'. Please use a nullable type.
Search by Google