The problem is that the exception isn't caught, rather it still crashes despite the try-catch block. Through debugging, I know the type of ... ... <看更多>

而且至少寫法漂亮一點了，畢竟exception 在error handling 時，的確很常會依據條件來進行決定handle 或不handle, 可以省掉不必要的throw。 補上MSDN when ... ... <看更多>

try { //exception code here } catch (Exception ex){ // do somthing ... 以下為Error Handling in C# with Exceptions的範例，大家可以參考一下哦! ... <看更多>

automatic resource management for try/catch/finally statement for C# (duplicate for ... try (var v = new Resource()) { } catch (Exception e) { } finally { }. ... <看更多>

throw ex;. This is a fatal mistake. It'll create a new stack-trace and you won't be able to tell where the actual exception occured. ... <看更多>