Modification d'un enregistrement
Je veux modifier un enregistrement mais d'après le code que j'ai établi aucune modification ne s'effectue. Comment faire?
Code:
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Private Sub Btnmodif_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnmodif.Click
Btnmodif.Enabled = False
Btnannuler.Enabled = False
Btnediter.Enabled = True
Dim cnx As New OleDbConnection
Dates.Visible = False
Txtdates.Visible = True
Txtdates.Text = ""
Datef.Visible = False
Txtdatef.Visible = True
Txtdatef.Text = ""
Cbxfrs.Visible = False
Txtnomfrs.Visible = True
Txtnomfrs.Text = ""
Txtnumab.Enabled = False
Txtnumab.ReadOnly = True
Txtnumab.Text = ""
Txtlibab.Enabled = False
Txtlibab.Text = ""
Txtdates.Enabled = False
Txtdates.ReadOnly = True
Txtdatef.Enabled = False
Txtdatef.ReadOnly = True
Txtmontantab.Enabled = False
Txtmontantab.ReadOnly = True
Txtmontantab.Text = ""
Txtnumfrs.Enabled = False
Txtnumfrs.ReadOnly = True
Txtnumfrs.Text = ""
Txtnomfrs.Enabled = False
Txtnomfrs.ReadOnly = True
Txtnomfrs.Text = ""
Dim command = New OleDbCommand("update Abonnement set Abonnement.Num_abonnement='" & Cbxnumab.Text & "'", cnx)
Try
cnx.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source = C:\Documents and Settings\Administrateur.STANDARD\Mes documents\Projet Budget\Budget\Budget\Marches.mdb"
cnx.Open()
Catch ex As Exception
End Try
Me.Dispose()
Frmprincipale.Show()
End Sub |