For each loop: array (VB.net) : For Each « Language Basics « ASP.Net






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For each loop: array (VB.net)

<%@ Page Language="VB" %>
<script runat="server">
    Dim ColorList(6) as String
    
    Sub Page_Load
      ColorList(0) = "Red"
      ColorList(1) = "Orange"
      ColorList(2) = "Yellow"
      ColorList(3) = "Green"
      ColorList(4) = "Blue"
      ColorList(5) = "Indigo"
      ColorList(6) = "Violet"
      Array.Sort(ColorList)
      
      If Not Page.IsPostback
        Dim ColorName as String
    
        For Each ColorName in ColorList
          ddlColorList.Items.Add(ColorName)
        Next
      End If
    End Sub
    
    Sub btnSelectColor_Click(sender As Object, e As EventArgs)
      lblOutputMessage.Text = "You selected " & ddlColorList.SelectedItem.Value
      lblOutputMessage.ForeColor = _
        System.Drawing.Color.FromName(ddlColorList.SelectedItem.Text)
    End Sub

</script>
<html>
<head>
</head>
<body>
    <form runat="server">
        <p>
            Select a color from the list:<asp:DropDownList id="ddlColorList" runat="server"></asp:DropDownList>
            <asp:Button id="btnSelectColor" onclick="btnSelectColor_Click" runat="server" Text="Click here!"></asp:Button>
        </p>
        <p>
            <asp:Label id="lblOutputMessage" runat="server"></asp:Label>
        </p>
    </form>
</body>
</html>








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