Message in Chinese (Simplified) (中文(简体))

THEN 表达式必须具有不为 NULL 的通用类型。

Unlocalized message

The THEN expression(s) must have a common type that is not NULL.

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Chinese (Simplified) (中文(简体)) Arabic (العربية) Chinese (Traditional) (中文（繁體）) Czech (Čeština) Danish (Dansk) Dutch (Nederlands) Finnish (suomi) French (Français) Prior (Message) German (Deutsch) Greek (Ελληνικά) Hebrew (עברית) Hungarian (magyar) Italian (Italiano) Japanese (日本語) Korean (한국어) Norwegian (Bokmal) (Norsk (Bokmål)) Next (Message) Polish (Polski) Russian (Русский) Spanish (Español) Swedish (Svenska) Turkish (Türkçe) Chinese (Traditional) (中文（繁體）)