Where with a function : Where « LINQ « VB.Net

Home
VB.Net
1.2D
2.Application
3.Class
4.Data Structure
5.Data Types
6.Database ADO.net
7.Date Time
8.Development
9.Event
10.File Directory
11.Generics
12.GUI
13.Internationalization I18N
14.Language Basics
15.LINQ
16.Network Remote
17.Reflection
18.Security
19.Thread
20.Windows Presentation Foundation
21.Windows System
22.XML
23.XML LINQ
VB.Net Tutorial
VB.Net by API
VB.Net » LINQ » WhereScreenshots 
Where with a function
    
Imports System.Collections.Generic
Imports System.Linq
Imports System.Runtime.CompilerServices


Public Class Role
    Public ID As Integer
    Public RoleDescription As String
End Class

Public Class Person
    Public ID As Integer
    Public IDRole As Integer
    Public LastName As String
    Public FirstName As String
End Class

Module Module1
    Sub Main()
        Dim people As New List(Of Person)(New Person() { _
            New Person With {.ID = 1, .IDRole = 1, .LastName = "A", .FirstName = "Brad"}, _
            New Person With {.ID = 2, .IDRole = 2, .LastName = "G", .FirstName = "Tom"_
        })

        Dim roles As New List(Of Role)(New Role() { _
            New Role With {.ID = 1, .RoleDescription = "Manager"}, _
            New Role With {.ID = 2, .RoleDescription = "Developer"_
        })

        Dim query = people.Where(AddressOf F)


    End Sub
    Function F(ByVal people As PersonAs Boolean
        Return people.ID = 1
    End Function

End Module

   
    
    
    
  
Related examples in the same category
1.Check String start-with value
2.Equals vs = in query
3.Query for String length
4.Filtering (Where): Using a Where clause to find all projects that are out of stock.
5.Where Drilldown
6.Find files created within the last year
7.Linq to query File System: shows all mapped network drives
8.Shows all public methods in an assembly, with duplicates removed
9.Shows all public methods in an assembly.
10.Filtering Numbers
11.Indexed Where
12.An indexed Where clause that returns digits whose name is shorter than their value
w___w__w.__j__a__v_a__2___s___._c__o__m | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.