Message in Polish (Polski)
Formant o identyfikatorze „<var>X</var>” rejestrowany przy użyciu metody RegisterAsyncPostBackControl lub RegisterPostBackControl musi implementować interfejs INamingContainer, IPostBackDataHandler lub IPostBackEventHandler.
Unlocalized message
Control with ID '<var>X</var>' being registered through RegisterAsyncPostBackControl or RegisterPostBackControl must implement either INamingContainer, IPostBackDataHandler, or IPostBackEventHandler.
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