摘要: error CS8773: "Feature 'global using directive' is not available in C# 9.0" after downgrade from net6.0 to net5.0 回答1 remove <ImplicitUsings>enable</I 阅读全文
posted @ 2022-09-28 17:35 ChuckLu 阅读(541) 评论(0) 推荐(0)