c# - How to get a range of items from a Dictionary

Dictionary get range
dictionary-get-range.aspx

<%@ Page Language="C#" AutoEventWireup="true"%>
  
<!DOCTYPE html>    
<script runat="server">  
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        //initialize a dictionary with keys and values.
        Dictionary<int, string> birds = new Dictionary<int, string>() {
            {1,"Hyacinth Macaw"},
            {2,"Burrowing Parakeet"},
            {3,"Vulturine Parrot"},
            {4,"Great Blue Turaco"},
            {5,"Common Cuckoo"},
            {6,"Brush Cuckoo"}
        };

        Label1.Text = "dictionary keys and values..........";
        foreach (KeyValuePair<int , string> pair in birds)
        {
            Label1.Text += "<br />" + pair.Key + " ........ " + pair.Value;
        }

        int rangeStart = 2;
        int rangeEnd = 4;

        Label1.Text += "<br /><br />get dictionary keys and values at index range 2 to 4";
        for (int i = rangeStart; i <= rangeEnd; i++)
        {
            Label1.Text += "<br />key: " + birds.Keys.ElementAt(i);
            Label1.Text += " value: " + birds.Values.ElementAt(i);
        }
    }    
</script>    
    
<html xmlns="http://www.w3.org/1999/xhtml">    
<head id="Head1" runat="server">    
    <title>c# example - dictionary get range</title>    
</head>    
<body>    
    <form id="form1" runat="server">    
    <div>    
        <h2 style="color:MidnightBlue; font-style:italic;">    
            c# example - dictionary get range
        </h2>    
        <hr width="550" align="left" color="Gainsboro" />    
        <asp:Label     
            ID="Label1"     
            runat="server"    
            Font-Size="Large"  
            >    
        </asp:Label>    
        <br /><br />  
        <asp:Button     
            ID="Button1"     
            runat="server"     
            Text="dictionary get range"    
            OnClick="Button1_Click"  
            Height="40"    
            Font-Bold="true"    
            />    
    </div>    
    </form>    
</body>    
</html>
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