C# Bug解決——InvalidCastException: Cannot cast from source type to destination type.
InvalidCastException: Cannot cast from source type to destination type. 不能從源類型轉換爲目標類型。 這個問題的原因主要是類型轉換出錯了，其中一個不易察覺的情況是將父類強制轉換爲子類的時候出錯，也就是在多態時向下轉型可能出錯 什麼是多態：父類的指針指向子類，調用子類的方法 先給大家看一下我的代碼問題出在哪裏，供與大家參考 可以
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相關文章
- 1. Type mismatch: cannot convert from element type Object to String 解決辦法
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