如何获得子列表的N个元素?假设我想为每个父母生两个孩子。public class Program{ static void Main(string[] args) { var data = new List<Parent>() { new Parent() { Id = 1, Name = "ParentName1", Children = new List<Child>() { new Child() { Id = 1, Name = "ChildName1"}, new Child() { Id = 2, Name = "ChildName2"}, new Child() { Id = 3, Name = "ChildName3"}, new Child() { Id = 4, Name = "ChildName4"}, new Child() { Id = 5, Name = "ChildName5"}, } }, new Parent() { Id = 2, Name = "ParentName2", Children = new List<Child>() { new Child() { Id = 6, Name = "ChildName6"}, new Child() { Id = 7, Name = "ChildName7"}, new Child() { Id = 8, Name = "ChildName8"}, new Child() { Id = 9, Name = "ChildName9"}, new Child() { Id = 10, Name = "ChildName10"}, } } }; // Get only 2 child elements for parent var filteredData = data.Where(x => x.Children.Count >= 2) .ToList(); foreach (var filteredParent in filteredData) { Console.WriteLine($"Parent {filteredParent.Id} with {filteredParent.Children.Count} children."); } Console.ReadKey(); }}public class Parent{ public int Id { get; set; } public string Name { get; set; } public List<Child> Children { get; set; }}public class Child{ public int Id { get; set; } public string Name { get; set; } public Parent Parent { get; set; }}
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