If statement in asp.net c#

If statement
IfStatementExample.aspx

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

<!DOCTYPE html>

<script runat="server">
    protected void RadioButtonList1_SelectedIndexChanged(object sender, System.EventArgs e) {
        string li = RadioButtonList1.SelectedItem.Text;

        if (li == "Pink") {
            RadioButtonList1.BackColor = System.Drawing.Color.HotPink;
            RadioButtonList1.ForeColor = System.Drawing.Color.AntiqueWhite;
            RadioButtonList1.BorderColor = System.Drawing.Color.LightPink;
        }
        else if (li == "Green")
        {

            RadioButtonList1.BackColor = System.Drawing.Color.SeaGreen;
            RadioButtonList1.ForeColor = System.Drawing.Color.AntiqueWhite;
            RadioButtonList1.BorderColor = System.Drawing.Color.LightGreen;
        }

        else {
            RadioButtonList1.BackColor = System.Drawing.Color.LightSeaGreen;
            RadioButtonList1.ForeColor = System.Drawing.Color.LightYellow;
            RadioButtonList1.BorderColor = System.Drawing.Color.DarkGreen;
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>asp.net if statement example: if(){} else if(){} else{}</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Red">If Statement Example</h2>
        <asp:RadioButtonList
             ID="RadioButtonList1"
             runat="server" 
             RepeatColumns="3" 
             BorderWidth="1" 
             AutoPostBack="true" 
             OnSelectedIndexChanged="RadioButtonList1_SelectedIndexChanged"
             BackColor="LightSeaGreen"
             ForeColor="LightYellow"
             BorderColor="DarkGreen"
             >
            <asp:ListItem>Red</asp:ListItem>
            <asp:ListItem>Blue</asp:ListItem>
            <asp:ListItem>Coral</asp:ListItem>
            <asp:ListItem>Green</asp:ListItem>
            <asp:ListItem>DarkMagenta</asp:ListItem>
            <asp:ListItem>Pink</asp:ListItem>
            <asp:ListItem>Gold</asp:ListItem>
        </asp:RadioButtonList>
    </div>
    </form>
</body>
</html>
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