Change array length (VB.net) : Array « Collections « ASP.Net






Change array length (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"
      ReDim Preserve ColorList(7)
      ColorList(7) = "Magenta"
    
      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>

           
       








Related examples in the same category

1.Array Reverse Demo (VB.net)
2.For Each loop through an Array (VB.net)
3.Array.IndexOf and Array.LastIndexOf (VB.net)
4.Get array by index (VB.net)
5.Sort an Array (VB.net)
6.For each loop: array (VB.net)
7.Define and use array (VB.net)
8.Sort array reversely (C#)
9.Get array element by index (C#)
10.Array.IndexOf(), Array.LastIndexOf() (C#)
11.Use String Array to store Asp Label Text (C#)
12.Use Two dimensional array (C#)
13.Use array: find item index (C#)