Add value to asp:DropDownList dynamically (VB.net)
<%@ Page Language="VB" %>
<script runat="server">
Dim ColorList(6) as String
Dim FontList as new ArrayList()
Sub Page_Load
ColorList(0) = "Red"
ColorList(1) = "Orange"
ColorList(2) = "Yellow"
ColorList(3) = "Green"
ColorList(4) = "Blue"
ColorList(5) = "Indigo"
ColorList(6) = "Violet"
FontList.Add("Times New Roman")
FontList.Add("Arial")
FontList.Add("Verdana")
FontList.Add("Comic Sans MS")
If Not Page.IsPostback
Dim ColorName as String
For Each ColorName in ColorList
ddlColorList.Items.Add(ColorName)
Next
ddlFontList.DataSource = FontList
ddlFontList.DataBind()
End If
End Sub
Sub btnSelectColor_Click(sender As Object, e As EventArgs)
lblOutputMessage.Text = "You selected " & _
ddlColorList.SelectedItem.Value & " text written in " & _
ddlFontList.SelectedItem.Value
lblOutputMessage.ForeColor = _
System.Drawing.Color.FromName(ddlColorList.SelectedItem.Text)
lblOutputMessage.Font.Name = _
ddlFontList.SelectedItem.Text
End Sub
Sub btnAddFont_Click(sender As Object, e As EventArgs)
FontList.Add(txtAddFont.Text)
ddlFontList.DataSource = FontList
ddlFontList.DataBind()
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>
</p>
<p>
Then select a font sytle from the list:
<asp:DropDownList id="ddlFontList" runat="server"></asp:DropDownList>
</p>
<p>
<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>
<p>
Enter a new font for the list:<asp:TextBox id="txtAddFont" runat="server"></asp:TextBox>
<asp:Button id="btnAddFont" onclick="btnAddFont_Click" runat="server" Text="Add New Font"></asp:Button>
</p>
</form>
</body>
</html>