How to fetch data using the Union method from two lists?
How to fetch data using Union method in LINQ?
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24-Sep-2021
Ravi Vishwakarma
28-Sep-2021The Union method or operator is used to combine multiple collections or lists into a single collection or list and return collection with unique elements.
Syntax
Example
using System; using System.Collections.Generic; using System.Linq; public class Program { public static void Main() { List<string> count1= new List<string>() { 'UK', 'Australia', 'India', 'USA' }; List<string> count2 = new List<string>() { 'India', 'UAE', 'Canada', 'UK', 'China', 'Pok' }; List<string> list = count1.Union(count2).ToList(); list.ForEach( country => Console.WriteLine(country) ); Console.ReadLine(); } }Output