Bonjour,
J'aimerai récupérer l'id d'une ligne sélectionné d'un Dropdownlist,
J'ai deux Dropdownlist, le premier j'affiche les lignes de données avec une procédure stockée je récupère bien un id, le second je récupère pas un id mais le libellé. Pourquoi... ?
J'ai utilisé cette syntaxe:
Dim nom_variable As Integer = nom_dropdownlist.SelectItem.Value
Code ASPX
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| <asp:DropDownList ID="ddlTheme" runat="server" AppendDataBoundItems="True" DataTextField="THEME_NOM" DataValueField="THEME_ID" DataSourceID="SqlDataTheme" AutoPostBack="True" OnSelectedIndexChanged="itemSelected"><asp:ListItem Text="" value="" />
</asp:DropDownList>
<asp:DropDownList ID="ddlForma" runat="server" AutoPostBack="True" OnSelectedIndexChanged="itemSelectedForma">
</asp:DropDownList>
<asp:DropDownList ID="ddlLabo" runat="server" AppendDataBoundItems="True" DataTextField="LAB_NOM" DataValueField="LAB_ID" DataSourceID="SqlDataLabo" AutoPostBack="True" OnSelectedIndexChanged="itemSelectedlabo"><asp:ListItem Text="" value="" />
</asp:DropDownList>
<asp:DropDownList ID="ddlUser" runat="server" AutoPostBack="True" OnSelectedIndexChanged="itemSelectedUser">
</asp:DropDownList> |
VB
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| Private Class IdcbxForma
Public Valeur As Integer
Public Nom As String
Public Id As Integer
Public Sub New(ByVal ide As Integer, ByVal name As String, ByVal value As Integer)
Nom = name
Valeur = value
Id = ide
End Sub
Public Overrides Function ToString() As String
Return String.Format("{0},{1}", Nom, Id)
End Function
End Class |
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| Protected Sub itemSelected(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddlTheme.SelectedIndexChanged
'Remplir Dropdownlist Formations
If ddlForma.SelectedValue.ToString <> "" Then
If ddlLabo.SelectedValue.ToString <> "" Then
If ddlTheme.SelectedValue.ToString <> "" Then
If ddlUser.SelectedValue.ToString <> "" Then
btnValid.Visible = True
End If
End If
End If
Else
btnValid.Visible = False
End If
ddlForma.Items.Clear()
Dim idx As Integer = ddlTheme.SelectedIndex
ddlForma.Items.Add("")
Using bdc As New TR_crecqEntities()
Dim test As New List(Of tr_cbx_NomFormations_Result)
test = bdc.tr_cbx_NomFormations(idx).ToList
For i As Integer = 0 To test.Count - 1
ddlForma.Items.Add(New IdcbxForma(test(i).FORMA_ID, test(i).FORMA_NOM, i).Nom)
Next
End Using
End Sub |
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