Uwp listview n'est pas mis à jour
Bonsoir
J'ai une liste de données que j'affiche avec un listview avec le xaml
Si je modifie la liste, la listview n'affiche pas les changements
Voici le code
Code:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
| Public Class Classdata
Public Property thename() As String
Get
Return name
End Get
Set(ByVal value As String)
value = name
End Set
End Property
Public name As String
End Class
The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
Imports System.Text
''' <summary>
''' An empty page that can be used on its own or navigated to within a Frame.
''' </summary>
Public NotInheritable Class MainPage
Inherits Page
#Region "initialize"
Private list1 As New List(Of Classdata)
Private Sub initlist()
Dim data As Classdata
list1.Clear()
For iter = 1 To 10
data = New Classdata
data.name = "AAAA" & iter.ToString
list1.Add(data)
Next
End Sub
Private Sub showlist()
Dim myBind As Binding = New Binding()
myBind.Source = list1
myBind.Mode = BindingMode.twoWay
Dgvresult.SetBinding(ListView.ItemsSourceProperty, myBind)
End Sub
Private Sub MainPage_Loading(sender As FrameworkElement, args As Object) Handles Me.Loading
initlist()
showlist()
End Sub
Private Sub Buttonthisyear_Click(sender As Object, e As RoutedEventArgs) Handles Buttonthisyear.Click
list1(1).name = "THENAMECHANGE"
showlist()
End Sub
#End Region
End Class
Le mainpage.xaml
<ListView x:Name="Dgvresult"
Width="800" Height="600"
ScrollViewer.VerticalScrollBarVisibility="Visible" BorderThickness="3,1,3,3"
HorizontalAlignment="Left" VerticalAlignment="Top" Margin="60,20,0,0">
<ListView.ItemTemplate>
<DataTemplate>
<StackPanel x:Name="stackp"
Orientation="Vertical" Width="650" HorizontalAlignment="Left" Margin="69,0,0,0"
CornerRadius="6,6,6,6" BorderThickness="2,2,2,2" Height="Auto"
>
<TextBlock x:Name="namep" Text="{Binding thename}"
FontSize="20"
FontFamily="Calibri"
FontStyle="Normal"
FontWeight="Bold"
Foreground="DarkSlateBlue" HorizontalAlignment="Left" Margin="492,0,0,0"
VerticalAlignment="Center" TextAlignment="Center"
HorizontalTextAlignment="Left" Padding="0,0,0,0" TextWrapping="Wrap" />
</StackPanel>
</DataTemplate>
</ListView.ItemTemplate>
</ListView> |
Merci pour l'aide
