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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