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3 paź 2014 · You can use the ElementAt extension method on the list. For example: // Get the first item from the list using System.Linq; var myList = new List<string> { "Yes", "No", "Maybe"}; var firstItem = myList.ElementAt (0); // Do something with firstItem. edited May 20, 2018 at 1:23.
int indexOfValue = myList.FindIndex (a => a.Contains ("insert value from list")); A simple solution to find the index for any integer value in the List. Here is code for a list of integers: int indexOfNumber = myList.IndexOf (/* insert number from list */); edited Jun 11, 2021 at 20:36.
Searches for an element that matches the conditions defined by a specified predicate, and returns the zero-based index of the first occurrence within the List<T> or a portion of it. This method returns -1 if an item that matches the conditions is not found.
C# provides two solid ways to access the data by the index. The indexer and the ElementAt function. They work in similar ways but the indexer only works on certain IEnumerable types ElementAt will work on any IEnumerable type which includes a list.
Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the List<T> that starts at the specified index and contains the specified number of elements. public: int IndexOf (T item, int index, int count);
5 gru 2021 · This post will discuss how to find the index of an element in a list in C#... The recommended solution is to use `List.IndexOf ()` method, which returns the index of the first occurrence of the specified element in this list.
5 lip 2023 · C# List Find tutorial shows how to find elements in C# with Find, FindLast, FindAll, FindIndex, and FindLastIndex methods.
