'System.Array' does not contain a definition for 'ToArray' and no extension method 'ToArray' accepting a first argument of type 'System.Array' could be found (are you missing a using directive or an a

Others 2019-12-24 18:58:13 views: null

代码添加
using System.Linq;

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Origin www.cnblogs.com/zly24432/p/12092868.html

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«System.Array» не содержит определения для «ToArray» и не метод расширения «ToArray» принимать первый аргумент типа «System.Array» может быть найден (вы пропали без вести с помощью директивы или A

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'System.Array' 'ToArray'에 대한 정의없이 확장 메서드 'ToArray'유형 'System.Array'의 첫 번째 인수를 받아들이는 포함되어 있지 않습니다를 볼 수 있습니다 (당신은 using 지시문 또는 누락

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