Nullable Can't it be used? #1189
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ccccrusher
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I addedenableto the. csproj file, but it didn't work, public string Title {get; Set;} reported an error, the non nullable property Title must contain a non null value. Why does a nullable reference type not take effect?
![图片](https://private-user-images.githubusercontent.com/79292108/338457274-fd1dbfcd-0468-4e7b-b4d8-ec1c6d1b72a6.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.XtiTjxONHVcLvvmlD-nNzA18NXsl2MV3dEchyyITmB0)
![图片](https://private-user-images.githubusercontent.com/79292108/338457510-d623c665-3b85-4476-b5c6-868486c63ada.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.ryDRWT8hvGy5cORenWswa4yBptvqfhSSv8A0er4lW68)
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