c# select list linq

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();

Posted by: Guest on March-18-2020

Source

List<Model> newList = list.Where(m => m.application == "applicationname") .Select(m => new Model { application = m.application, users = m.users.Where(u => u.surname == "surname").ToList() }).ToList();

// Single string search = "testSearch"; List<string> list = new List<string>(); // Need to create a string list string result = list.Single(s => s == search); // Find all where meets the criteria IEnumerable<string> results = list.Where(s => s == search); // Select first one string result = list.First(s => s == search);

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