Message in Chinese (Traditional) (中文(繁體))
DbExceptExpression 的左邊引數不能有 NullType 的 ResultType。
Unlocalized message
The left argument of a DbExceptExpression cannot have a ResultType of NullType.
Search by Google
DbExceptExpression 的左邊引數不能有 NullType 的 ResultType。

The left argument of a DbExceptExpression cannot have a ResultType of NullType.
Search by Google