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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.
16 lis 2017 · It works with List<T>, Array, ArrayList, DataTable, List of Anonymous Types, list of primary types and all other lists which you can use as data source. Here is an example of usage: //Gets underlying value at index 2 based on settings this.listBox1.GetItemValue (this.listBox1.Items [2]);
Get Item In List By ElementAt. ElementAt is very similar to the Indexer for list. ElementAt allows to access an item from the list by an index value. ElementAt is available on any collection type that is an IEnumerable type. ElementAt reads well because it says what it does which is different than the Indexer. So let's look at an example.
Console.WriteLine( "The value at index {0} is {1}.", myIndex, mySL.GetByIndex( myIndex ) ); // Gets the list of keys and the list of values. IList myKeyList = mySL.GetKeyList(); IList myValueList = mySL.GetValueList(); // Prints the keys in the first column and the values in the second column.
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.
30 wrz 2023 · Learn the 2 ways to get a list item by index in C#: using an indexer or a Linq ElementAt() call.
