the Web Form html and asp
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="ExampleWebPage.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>Enter Quotes</h1>
<p> Enter your favorite quotes <asp:TextBox ID="txtQuote" runat="server"></asp:TextBox> </p>
<p>
<asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="btnSubmit_Click" /></p>
<p>
<asp:Button ID="btnQuote" runat="server" Text="Get Quote" OnClick="btnQuote_Click" />
<asp:Label ID="Label1" runat="server" Text="Label"
CssClass="response"></asp:Label></p>
<asp:Button ID="btnGetAllQuotes" runat="server" Text="Get all Quotes" OnClick="btnGetAllQuotes_Click" />
<asp:BulletedList ID="BulletedList1" runat="server"></asp:BulletedList>
</div>
</form>
</body>
</html>
The code behind the web page
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
Quote q = new Quote();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
//if the session exists
//get the existing instance of the class
//from the session and use it
if (Session["quotes"] != null)
{
q = (Quote)Session["quotes"];
}
q.AddQuote(txtQuote.Text);
Session["quotes"] = q;
txtQuote.Text = ""; //clear textbox
}
protected void btnQuote_Click(object sender, EventArgs e)
{
//get the current instance saved in the session
q = (Quote)Session["quotes"];
//call its method
Label1.Text = q.GetQuote();
}
protected void btnGetAllQuotes_Click(object sender, EventArgs e)
{
q = (Quote)Session["quotes"];
BulletedList1.DataSource = q.Quotes;
BulletedList1.DataBind();
}
}
the Quote class
using System; using System.Collections.Generic; using System.Linq; using System.Web; ////// Summary description for Quote /// public class Quote { // create a list object to store strings private Listquotes; //initialize the list in the constructor public Quote() { quotes = new List (); } //read only property public List Quotes { get { return quotes; } } //add quotes to the list public void AddQuote(string aQuote) { quotes.Add(aQuote); } //return a random quote public string GetQuote() { string quoteResult = null; Random rand = new Random(); if (quotes.Count != 0) { int number = rand.Next(0, quotes.Count ); quoteResult = quotes[number]; } return quoteResult; } }
the style sheet such as it is
body {
}
h1 {
background-color:navy;
color:white;
}
.response {
color:green;
}
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