ArrayList InsertRange() method in asp.net c#

ArrayList InsertRange() Method
ArrayListInsertRangeMethod.aspx

<%@ Page Language="C#" AutoEventWireup="true" %>

<!DOCTYPE html>

<script runat="server">
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        ArrayList colors = new ArrayList() {"Green","SeaGreen","SpringGreen","LawnGreen"};

        Label1.Text = "ArrayList Elements....";
        Label1.Text += "<font color=Green>";
        foreach (string color in colors)
        {
            Label1.Text += "<br />" + color;
        }
        Label1.Text += "</font>";

        List<string> redColors = new List<string>() {"Red","DarkRed","IndianRed" };
        colors.InsertRange(2,redColors);

        Label1.Text += "<br /><br />After call InsertRange(index 2, ICollection) Method";
        Label1.Text+= "<br /><u>Now ArrayList Elements</u>...";
        Label1.Text += "<font color=Red>";
        foreach (string color in colors)
        {
            Label1.Text += "<br />" + color;
        }
        Label1.Text += "</font>";
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>How to insert the elements of a collection into the ArrayList at the specified index</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:MidnightBlue; font-style:italic;">
            System.Collections.ArrayList InsertRange() Method
            <br /> How to insert the elements of a collection
            <br /> into the ArrayList at the specified index
        </h2>
        <hr width="475" align="left" color="Navy" />
        <br />
        <asp:Label
             ID="Label1"
             runat="server"
             ForeColor="Orchid"
             Font-Size="Large"
             Font-Names="Courier New"
             Font-Italic="true"
             Font-Bold="true"
             >
        </asp:Label>
        <br /><br />
        <asp:Button 
            ID="Button1"
            runat="server"
            OnClick="Button1_Click"
            Text="Test ArrayList InsertRange() Method"
            Height="45"
            Font-Bold="true"
            ForeColor="DodgerBlue"
            />
    </div>
    </form>
</body>
</html>
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