C# 判斷數組中是否存在某個值

方法1

int[] ia = {1,2,3};
int id = Array.IndexOf(ia,1); // 這里的1就是你要查找的值

 方法2

string[] strArr = {"a","b","c","d","e"};
bool exists = ((IList)strArr).Contains("a");

參考網址

　　[1] https://www.cnblogs.com/superelement/p/7691229.html