Query Reuse with deferred execution

   

Imports System.IO
Imports System.Reflection
Imports System.Linq
Imports System.Xml.Linq

Public Class MainClass
   Public Shared Sub Main

        Dim numbers() As Integer = {1,2,3,4,5,6,7,8,9,0}
        Dim lowNumbers = From num In numbers Where num <= 3
        For Each n In lowNumbers
            Console.WriteLine(n)
        Next

        For i As Integer = 0 To numbers.Length - 1
            numbers(i) -= 1
        Next

        Console.WriteLine("Second run numbers <= 3:")
        For Each n In lowNumbers
            Console.WriteLine(n)
        Next
   End Sub


End Class

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Query Reuse with deferred execution : Select « LINQ « VB.Net

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