Linq Coding -- Part One

Linq Search Process

Linq To ArrayList

public class Student
   {
       public String FirstName { get; set; }
       public String LastName { get; set; }
       public Int32[] Scores { get; set; }
   } 

   public class LinqToArrayList : Interface
   {
       Interface Members#region Interface Members 

       public void invoke()
       {
           ArrayList arrList = new ArrayList();
           arrList.Add(
               new Student
               {
                   FirstName = "Svetlana",
                   LastName = "Omelchenko",
                   Scores = new int[] { 98, 92, 81, 60 }
               });
           arrList.Add(
               new Student
               {
                   FirstName = "Claire",
                   LastName = "O’Donnell",
                   Scores = new int[] { 75, 84, 91, 39 }
               });
           arrList.Add(
               new Student
               {
                   FirstName = "Sven",
                   LastName = "Mortensen",
                   Scores = new int[] { 88, 94, 65, 91 }
               });
           arrList.Add(
               new Student
               {
                   FirstName = "Cesar",
                   LastName = "Garcia",
                   Scores = new int[] { 97, 89, 85, 82 }
               });
           var query = from Student student in arrList
                       where student.Scores[0] > 95
                       select student;
           foreach (Student s in query)
               Console.WriteLine(s.LastName + ": " + s.Scores[0]); 

           Console.WriteLine("press any key to exit.");
           Console.ReadKey();
       } 

       #endregion
   }

 

 

LINQ Coding 目录

1. Linq Coding -- Part One
2. Linq Coding -- Part Two[标准查询运算符]
3. Linq Coding -- Part Three [Let子句]
4. Linq Coding -- Part Four[Concat应用]
5. Linq Coding -- Part Five (Join之内部联接查询)
6. Linq Coding -- Part Six (Join之分组联接)
7. Linq Coding -- Part Seven (Join之左外部联接、DefaultIfEmpty、GroupJoin)