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Categories / C# Book / 04 LINQ
 

0476 Union - 2

public void Linq49() { List<Product> products = GetProductList(); List<Customer> customers = GetCustomerList(); var productFirstChars = from p in products select p.ProductName[0]; var customerFirstChars = from c in customers select c.CompanyName[0]; var uniqueFirstChars = productFirstChars.Union(customerFirstChars); Console.WriteLine("Unique first letters from Product names and Customer names:"); foreach (var ch in uniqueFirstChars) { Console.WriteLine(ch); } } Result Unique first letters from Product names and Customer names: C A G U N M I Q K T P S R B J Z V F E W L O D H