Default.aspx
<%@ 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="AssignmentOneStyle.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>Tip Calculator</h1>
<p>
<asp:Label ID="Label1" runat="server" Text="Enter the amount">
</asp:Label>
<asp:TextBox ID="txtAmount" runat="server"></asp:TextBox>
</p>
<asp:RadioButtonList ID="rdbPercentage" runat="server">
<asp:ListItem Text="10%" Value=".1" />
<asp:ListItem Text="15%" Value=".15" Selected="true"></asp:ListItem>
<asp:ListItem Text="20%" Value=".2"></asp:ListItem>
<asp:ListItem Text="other" Value="0"></asp:ListItem>
</asp:RadioButtonList>
<p><asp:TextBox ID="txtOther" runat="server" placeholder="other"></asp:TextBox></p>
<asp:Button ID="btnCalculate" runat="server" Text="Submit" OnClick="btnCalculate_Click" />
<p>
<asp:Label ID="lblTip" runat="server" Text="" CssClass="result"></asp:Label><br />
<asp:Label ID="lblTotal" runat="server" Text="" CssClass="result"></asp:Label>
</p>
</div>
</form>
</body>
</html>
Default.aspx.cs
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
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnCalculate_Click(object sender, EventArgs e)
{
double amount = 0;
bool goodAmount = double.TryParse(txtAmount.Text, out amount);
if (!goodAmount)
{
Response.Write("<script>alert('Please enter a valid amount');</script>");
txtAmount.Text = "";
txtAmount.Focus();
return;
}
double percent=0;
if(rdbPercentage.SelectedItem.Text != "other")
{
percent = double.Parse(rdbPercentage.SelectedValue.ToString());
}
else
{
bool goodPercent = double.TryParse(txtOther.Text, out percent);
if (!goodPercent)
{
Response.Write("<script>alert('Please enter a valid Percentage');</script>");
txtOther.Text = "";
txtOther.Focus();
return;
}
}
TipCalculator Tip = new TipCalculator(amount, percent);
lblTip.Text = Tip.CalculateTip().ToString("$##0.##");
lblTotal.Text = Tip.CalculateTotal().ToString("$##0.##");
}
}
CalculateTip.cs
using System; using System.Collections.Generic; using System.Linq; using System.Web; ////// Summary description for TipCalculator /// public class TipCalculator { private double amount; private double percent; public TipCalculator() { Amount = 0; Percent = 0; } public TipCalculator(double amt, double perc) { Amount = amt; Percent = perc; } public double Amount { set { amount = value; } get { return amount; } } public double Percent { set { if (value > 1) { value /= 100; } percent = value; } get { return percent; } } public double CalculateTip() { return Amount * Percent; } public double CalculateTotal() { return Amount + CalculateTip(); } }
AssignmentOne.css
body {
}
h1
{
background-color:navy;
color:white;
border-bottom:5px solid black;
}
.result{
color:green;
}
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