Bu yazımızda ASP.NET’ te hesap makinesi oluşturan örneği oluşturacağız. Örneğimizde oluşturacağımız hesap makinesi aşağıdaki gibi olacaktır.
Projemize ait WebForm1.aspx dosyası:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication3.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>hesap makinesi</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Panel ID="Panel1" runat="server" GroupingText="Hesap Makinesi"
Width="280px">
<table class="style1">
<tr>
<td colspan="4">
<asp:TextBox ID="TextBox1" runat="server" Height="60px" Width="250px"
CssClass="kutu"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Button ID="Button16" runat="server" Height="60px" Text="C" Width="60px" OnClick="Button16_Click" />
</td>
<td>
<asp:Button ID="Button10" runat="server" Height="60px"
Text="/" Width="60px" OnClick="Button10_Click" />
</td>
<td>
<asp:Button ID="Button11" runat="server" Height="60px"
Text="*" Width="60px" OnClick="Button11_Click" />
</td>
<td>
<asp:Button ID="Button12" runat="server" Height="60px"
Text="-" Width="60px" OnClick="Button12_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="Button7" runat="server" Height="60px"
Text="7" Width="60px" OnClick="Button7_Click" />
</td>
<td>
<asp:Button ID="Button8" runat="server" Height="60px"
Text="8" Width="60px" OnClick="Button8_Click" />
</td>
<td>
<asp:Button ID="Button9" runat="server" Height="60px"
Text="9" Width="60px" OnClick="Button9_Click" />
</td>
<td rowspan="2">
<asp:Button ID="Button13" runat="server" Height="120px"
Text="+" Width="60px" OnClick="Button13_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="Button4" runat="server" Height="60px"
Text="4" Width="60px" OnClick="Button4_Click" />
</td>
<td>
<asp:Button ID="Button5" runat="server" Height="60px"
Text="5" Width="60px" OnClick="Button5_Click" />
</td>
<td>
<asp:Button ID="Button6" runat="server" Height="60px"
Text="6" Width="60px" OnClick="Button6_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="Button1" runat="server" Height="60px"
Text="1" Width="60px" OnClick="Button1_Click" />
</td>
<td>
<asp:Button ID="Button2" runat="server" Height="60px"
Text="2" Width="60px" OnClick="Button2_Click" />
</td>
<td>
<asp:Button ID="Button3" runat="server" Height="60px"
Text="3" Width="60px" OnClick="Button3_Click" />
</td>
<td rowspan="2">
<asp:Button ID="Button14" runat="server" Height="120px"
Text="=" Width="60px" OnClick="Button14_Click" />
</td>
</tr>
<tr>
<td colspan="3">
<asp:Button ID="Button15" runat="server" Height="60px"
Text="0" Width="199px" OnClick="Button15_Click" />
</td>
</tr>
</table>
</asp:Panel>
</div>
</form>
</body>
</html>
Örneğimize ait WebForm1.aspx.cs kodları:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication3
{
public partial class WebForm1 : System.Web.UI.Page
{
static double a, b;
static string d;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "1"; }
else
{ TextBox1.Text = TextBox1.Text + "1"; }
}
protected void Button15_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "0"; }
else
{ TextBox1.Text = TextBox1.Text + "0"; }
}
protected void Button2_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "2"; }
else
{ TextBox1.Text = TextBox1.Text + "2"; }
}
protected void Button3_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "3"; }
else
{ TextBox1.Text = TextBox1.Text + "3"; }
}
protected void Button4_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "4"; }
else
{ TextBox1.Text = TextBox1.Text + "4"; }
}
protected void Button5_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "5"; }
else
{ TextBox1.Text = TextBox1.Text + "5"; }
}
protected void Button6_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "6"; }
else
{ TextBox1.Text = TextBox1.Text + "6"; }
}
protected void Button7_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "7"; }
else
{ TextBox1.Text = TextBox1.Text + "7"; }
}
protected void Button8_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "8"; }
else
{ TextBox1.Text = TextBox1.Text + "8"; }
}
protected void Button9_Click(object sender, EventArgs e)
{
if (TextBox1.Text == "")
{ TextBox1.Text = "9"; }
else
{ TextBox1.Text = TextBox1.Text + "9"; }
}
protected void Button13_Click(object sender, EventArgs e)
{
d = "+";
a = Convert.ToInt16(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button12_Click(object sender, EventArgs e)
{
d = "-";
a = Convert.ToInt16(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button11_Click(object sender, EventArgs e)
{
d = "*";
a = Convert.ToInt16(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button10_Click(object sender, EventArgs e)
{
d = "/";
a = Convert.ToInt16(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button14_Click(object sender, EventArgs e)
{
b = Convert.ToInt16(TextBox1.Text);
if (d == "+")
TextBox1.Text = Convert.ToString(a + b);
if (d == "-")
TextBox1.Text = Convert.ToString((sbyte)(a - b));
if (d == "*")
TextBox1.Text = Convert.ToString(a * b);
if (d == "/")
TextBox1.Text = Convert.ToString(a / b);
}
protected void Button16_Click(object sender, EventArgs e)
{
TextBox1.Text = "";
}
}
}
