A page can have only one server-side form tag.

Question

1.00/5 (1 vote)

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my source code is .....below

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="example.aspx.cs" Inherits="OnlineMoviesticketBooking.example" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">

        .auto-style1 {
            width: 100%;
        }
        .auto-style3 {
            font-size: x-large;
            height: 75px;
        }
        .auto-style6 {
            font-size: x-large;
            text-align: center;
            background-color: #173102;
        }
        .auto-style7 {
            width: 1292px;
            height: 123px;
        }
        .auto-style8 {
            font-size: x-large;
            background-color: #173102;
        }
        .auto-style10 {
            font-size: x-large;
        }
        .auto-style11 {
            font-size: xx-large;
            text-align: center;
            background-color: #173102;
            color: #FFFFFF;
        }
        </style>
</head>
<body>
    <form runat="server">
    <div>
    
        <table class="auto-style1">
            <tr>
                <td class="auto-style3" colspan="6">
                    <img alt="" class="auto-style7" src="http://localhost:13572/Images/banner%20(1).jpg" /></td>
            </tr>
            <tr>
                <td class="auto-style11" colspan="6">
                    ONLINE MOVIES TICKET BOOKING</td>
            </tr>
            <tr>
                <td class="auto-style6">
                    <asp:DropDownList ID="lstCity" runat="server" CssClass="auto-style10" AutoPostBack="True" OnSelectedIndexChanged="lstCity_SelectedIndexChanged">
                    </asp:DropDownList>
                </td>
                <td class="auto-style6">
                    <asp:DropDownList ID="lstCinema" runat="server" CssClass="auto-style10">
                    </asp:DropDownList>
                </td>
                <td class="auto-style6">
                    <asp:DropDownList ID="lstMovie" runat="server" CssClass="auto-style10">
                    </asp:DropDownList>
                </td>
                <td class="auto-style6">
                    <asp:DropDownList ID="lstTiming" runat="server" CssClass="auto-style10">
                    </asp:DropDownList>
                </td>
                
                <td class="auto-style6">
                    <asp:DropDownList ID="lstClass" runat="server" CssClass="auto-style10">
                    </asp:DropDownList>
                </td>
            </tr>
            <tr>
                <td class="auto-style8" colspan="6"> </td>
            </tr>
            <tr>
                <td class="auto-style8" colspan="3">
                     </td>
                <td class="auto-style8" colspan="3">
                     </td>
            </tr>
            <tr>
                <td class="auto-style6" colspan="6"> </td>
            </tr>
            <tr>
                <td class="auto-style6" colspan="6">
                     </td>
            </tr>
            <tr>
                <td class="auto-style6" colspan="6">
                     </td>
            </tr>
            </table>
    
    </div>
    </form>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>

What I have tried:

code file

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace OnlineMoviesticketBooking
{
    public partial class example : System.Web.UI.Page
    {
        List<string> city = new List<string>()
        {
            "Select a City",
            "Hyderabad",
            "Delhi"
        };
        List<string> Hyderabadcinema = new List<string>()
        {
            "Select a Cinema",
            "HI-Tech Cinema",
            "Satyam Theater"
        };

        List<string> Delhicinema = new List<string>()
        {
            "Select a Cinema",
            "PVR NCR",
            "Milan Cinema"
        };
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                foreach (var item in city)
                {
                    lstCity.Items.Add(item);
                }
            }
        }

        protected void lstCity_SelectedIndexChanged(object sender, EventArgs e)
        {
            switch (lstCity.SelectedIndex)
            {
                case 1:
                    lstCinema.Items.Clear();
                    foreach (var item in Hyderabadcinema)
                    {
                        lstCinema.Items.Clear();
                        lstCinema.Items.Add(item);
                    }
                    break;
                case 2:
                    lstCinema.Items.Clear();
                    foreach (var item in Delhicinema)
                    {
                        lstCinema.Items.Clear();
                        lstCinema.Items.Add(item);
                    }
                    break;

            }
        }
    }
}

Posted 26-Oct-17 8:25am

Pankaj hyderabad

Updated 26-Oct-17 9:07am

Chris Maunder772.9K

v2

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Pankaj hyderabad 26-Oct-17 14:52pm

is auyone helpme??

1 solution

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Chris Maunder · Accepted Answer · 2017-10-26T09:06:00

Solution 1

Remove one of the form tags. The error is fairly straight forward.

</div>
</form>
<form id="form1" runat="server">
<div>

</div>
</form>

Posted 26-Oct-17 9:06am

Chris Maunder772.9K

v2

Comments

Pankaj hyderabad 26-Oct-17 15:24pm

Thank you sir