find index of an int in a list

Question

Is there a way to get the index of an int from a list  Looking for something like list1 FindIndex 5  where I want to find the position of 5 in the list

User · Accepted Answer

Use the  IndexOf   method of the list   Specs for the method can be found on MSDN

User · Answer

List lt string gt  accountList   new List lt string gt    123872    987653     7625019    028401     int i   accountList FindIndex x   gt  x StartsWith  762       This will give you index of 7625019 in list that is 2  value of i will become 2    delegate string ac            return ac StartsWith a AccountNumber

User · Answer

Try IndexOf

User · Answer

FindIndex seems to be what you re looking for   FindIndex Predicate lt T gt    Usage   list1 FindIndex x   gt  x  5     Example      given list1  3  4  6  5  7  8  list1 FindIndex x   gt  x  5       should return 3  as list1 3     5

User · Answer

It s even easier if you consider that the Generic List in C  is indexed from 0 like an array   This means you can just use something like      int index   0  int i   accounts index

[c#] find index of an int in a list

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