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| Public Class Listing
Private Sub ajouter_Click(sender As Object, e As EventArgs) Handles ajouter.Click
ListView1.Items.Add(New ListViewItem(New String() {TextBox1.Text, TextBox2.Text, TextBox3.Text, TextBox4.Text}))
TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()
'Dim element As New ListViewItem
'element.Text = TextBox1.Text
' element.SubItems.Add(TextBox2.Text)
' element.SubItems.Add(TextBox3.Text)
' element.SubItems.Add(TextBox4.Text)
' ListView1.Items.Add(element)
End Sub
Private Sub ListView1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ListView1.SelectedIndexChanged
If ListView1.SelectedItems.Count > 0 Then
Dim element As ListViewItem = ListView1.SelectedItems(0)
TextBox1.Text = element.Text
TextBox2.Text = element.SubItems(1).Text
TextBox3.Text = element.SubItems(2).Text
TextBox4.Text = element.SubItems(3).Text
Else
TextBox1.Text = ""
TextBox2.Text = ""
TextBox3.Text = ""
TextBox4.Text = ""
End If
End Sub
Private Sub supprimer_Click(sender As Object, e As EventArgs) Handles supprimer.Click
If ListView1.SelectedItems.Count > 0 Then
Dim element As ListViewItem = ListView1.SelectedItems(0)
ListView1.Items.Remove(element)
End If
End Sub
Private Sub Listing_Load(sender As Object, e As EventArgs) Handles MyBase.Load
'ListView1.Items.Add(New ListViewItem({"3360", "7016G", "unité", "33607016G"}))
' ListView1.Items.Add(New ListViewItem({"3358", "7016G", "unité", "33607016G"}))
End Sub
Private Sub modifier_Click(sender As Object, e As EventArgs) Handles modifier.Click
If ListView1.SelectedItems.Count > 0 Then
Dim element As ListViewItem = ListView1.SelectedItems(0)
element.Text = TextBox1.Text
element.SubItems(1).Text = TextBox2.Text
element.SubItems(2).Text = TextBox3.Text
element.SubItems(3).Text = TextBox4.Text
End If
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles sauvegarder.Click
Using sauve As New SaveFileDialog
sauve.Filter = "Fichier texte|*.txt"
If sauve.ShowDialog() = DialogResult.OK Then
sauvegarderlesdonnees(ListView1, sauve.FileName)
End If
End Using
End Sub
Sub sauvegarderlesdonnees(ByVal liste As ListView, ByVal fichier As String)
Dim itemsplit As String = "(*E*)"
Dim colonnesplit As String = "(*C*)"
Dim build As New Text.StringBuilder()
Dim nelement As Integer = liste.Items.Count
For Each element As ListViewItem In liste.Items
For i As Integer = 0 To liste.Columns.Count - 1
build.Append(element.SubItems(i).Text)
If (i < liste.Columns.Count - 1) Then
build.Append(colonnesplit)
End If
Next
build.Append(itemsplit) 'articles(*C*).....
Next
Try
IO.File.WriteAllText(fichier, build.ToString())
MessageBox.Show("sauvegardé")
Catch ex As Exception
MessageBox.Show(ex.Message, "erreur")
End Try
End Sub
Sub RechargerLesDonnées(ByVal Liste As ListView, ByVal Fichier As String)
Liste.Items.Clear()
Dim ItemSplit As String = "(*E*)"
Dim ColonneSplit As String = "(*C*)"
Try 'Au cas d'erreur
If IO.File.Exists(Fichier) Then 'Si le fichier existe
Dim LesDonnées As String = IO.File.ReadAllText(Fichier) 'Lire toute les données
Dim LesElements() As String = LesDonnées.Split(New String() {ItemSplit}, StringSplitOptions.RemoveEmptyEntries) 'Séparer avec (*E*)
For Each element As String In LesElements 'Pour chaque éléments dans LesElements()
If (element.Contains(ColonneSplit)) Then 'Si ça contient le séparateur (*C*)
Dim LesValeurs() As String = element.Split(New String() {ColonneSplit}, StringSplitOptions.None) 'Séparer avec (*C*)
Dim NouveauElement As New ListViewItem 'Nouveau élément a ajouter dans la ListView
For i As Integer = 0 To LesValeurs.Length - 1 'Pour chaque valeur dans LesValeurs()
If i = 0 Then 'Si c'est la première valeur
NouveauElement.Text = LesValeurs(i) 'Ajouter la valeur dans la première colonne.
Else 'Si non l'ajouter dans les autres colonnes
NouveauElement.SubItems.Add(LesValeurs(i)) 'Si i = 1 donc c'est la deuxième colonne etc
End If
Next
Liste.Items.Add(NouveauElement) 'Ajouter l'élément a la ListView
End If
Next
End If
Catch ex As Exception
MessageBox.Show(ex.Message, "Erreur")
End Try
End Sub
Private Sub Recharger_Click(sender As Object, e As EventArgs) Handles Recharger.Click
RechargerLesDonnées(ListView1, T: \Maintenance\Pilotage\Poste de reappro\Articles\articles.txt)
Using Ouvrir As New OpenFileDialog
Ouvrir.Filter = "Texte|*.txt" 'Pour plusieurs extensions on fait: Texte|*.txt|Application|*.exe|Tous|*.*
If Ouvrir.ShowDialog() = DialogResult.OK Then
RechargerLesDonnées(ListView1, Ouvrir.FileName)
End If
End Using
End Sub
Private Sub recherche_TextChanged(sender As Object, e As EventArgs)
End Sub
Private Sub recherche_TextChanged_1(sender As Object, e As EventArgs) Handles recherche.TextChanged
End Sub
Private Sub Label1_Click(sender As Object, e As EventArgs) Handles Label1.Click
End Sub
Private Sub sauvegarder_Click(sender As Object, e As EventArgs) Handles sauvegarder.Click
Me.DataFile = sauve.FileName
sauvegarderlesdonnees(ListView1, Me.DataFile)
End Sub
End Class |
Ouvrir un fichier dans listview sans openfiledialog
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