C# Collection was modified;enumeration operation may not execute
一、問題描述 在做 數組、列表、集合遍歷時，可能我們會遇見這個問題。Collection was modified;enumeration operation may not execute ，翻譯的中文意思：集合已修改；枚舉操作可能無法執行。 二、解決方案 就是在遍歷時，不要改變 ...
原文：解決Collection was modified; enumeration operation may not execute異常
今天在使用foreach循環遍歷list集合時，出現Collection was modified enumeration operation may not execute.這個錯誤，查了半天才發現是當想要修改list集合時，不能使用foreach，因為foreach是取只讀的，在取的時候數據不能變 包括修改，刪除，添加等 ，所以只能用for循環。 ...
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