If else Demo (C#) : If Statement « Language Basics « ASP.Net

If else Demo (C#)

<%@ Page Language="C#" %>
<script runat="server">

    void page_Load()
    {
         if(Page.IsPostBack)
         {
             if(chkIsMember.Checked==true){
                 lblOut.Text = "Members get a free ticket";
                 lblOut.BackColor=System.Drawing.Color.LightPink;
             }
             else if(Convert.ToInt32(txtAge.Text)<=18) {
                 lblOut.Text = "Students get a free ticket";
                 lblOut.BackColor=System.Drawing.Color.LightPink;
             }else {
                 lblOut.Text = "Price is 500";
                 lblOut.BackColor=System.Drawing.Color.LightSeaGreen;
             }
         }
    }

</script>
<html>
<head>
</head>
<body>
    <br />
    <form runat="server">
        Please enter your age 
        <asp:TextBox id="txtAge" runat="server"></asp:TextBox>
        <br />
        Are you a member? 
        <asp:CheckBox id="chkIsMember" runat="server"></asp:CheckBox>
        <asp:Button id="Button1" runat="server" Text="Submit"></asp:Button>
        <br />
        <asp:Label id="lblOut" runat="server"></asp:Label>
        <br />
    </form>
</body>
</html>

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