System.ArgumentOutOfRangeException: startIndex cannot be larger than length of string

Question

I have this code. I am trying to retrieve just the text \"first program\". Considering that i know the index say 25 and total length of string is 35.

string          


        

Answer 1

During this time you can use

(LINQ ElementAt) and (ElementAtOrDefault) method. However the ElementAt extension method would throw the System.ArguementOutOfRangeException when the specified index is a negative value or not less than the size of the sequence .