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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.
If you need to extract an element key based on an index, this function can be used: public string getCard (int random) { return Karta._dict.ElementAt (random).Key; } If you need to extract the Key where the element value is equal to the integer generated randomly, you can use the following function:
List.cs. 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 extends from the specified index to the last element. public: int IndexOf (T item, int index); public int IndexOf (T item, int index);
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.
Get Items from List in C# Here are some examples of working with lists in C#: Example 1: Getting Items from a List by Index. List<string> names = new List<string> { "Alice", "Bob", "Charlie", "Dave" }; string secondName = names [1]; Console.WriteLine (secondName); // Output: "Bob"
30 wrz 2023 · Learn the 2 ways to get a list item by index in C#: using an indexer or a Linq ElementAt() call.
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.
