Answer to Question #9814 in C# for Koosie

Question #9814
Console.WriteLine("Please enter your card number"); string crdnum = Console.ReadLine(); int c = Convert.ToInt32(crdnum); Console.WriteLine("PLease enter your password"); string psswrd = Console.ReadLine(); int p = Convert.ToInt32(psswrd); int counter = 0; do { if (c = i) { //This is where i want to compare the user input with the array but im stuck!! } } while (counter < 3
1
Expert's answer
2012-05-22T11:04:17-0400
As we've understood you need you need to check if the input string is in some array. To do it

just use Contains() method without any loop:




//assume that arr is your initial array

bool cardNumberExists = arr.Contains(c);




Don't forget to add "using System.Linq;" derective as Contains s the extention method for IEnumerable type

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