c# long?與long的轉化程式碼
long?=z;
long x=z.hasvalue?z.getvalueordefault():long.minvalue;
這樣就實現了轉化了.因為long?資料型別的變理可能值為null
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/9240380/viewspace-734579/,如需轉載,請註明出處,否則將追究法律責任。
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