C# Linq Select Where In List Code Example

Example 1: c# linq select from object list

// this will return the first correct answer, // or throw an exception if there are no correct answers var correct = answers.First(a => a.Correct);   // this will return the first correct answer,  // or null if there are no correct answers var correct = answers.FirstOrDefault(a => a.Correct);   // this will return a list containing all answers which are correct, // or an empty list if there are no correct answers var allCorrect = answers.Where(a => a.Correct).ToList();

Example 2: linq where in list

var allowedStatus = new[]{ "A", "B", "C" }; var filteredOrders = orders.Order.Where(o => allowedStatus.Contains(o.StatusCode));

Example 3: linq query select where c#

var queryLondonCustomers = from cust in customers                            where cust.City == "London"                            select cust;