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Регистрация: 19.08.2010
Сообщений: 243
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.NET 3.x Web-Калькулятор (C#)
19.08.2010, 16:35. Показов 4152. Ответов 20
Доброго времени суток уважаемые гуру программирования. Тут такая проблема. Нужно было написать Web-калькулятор на C# c UpdatePanel. Всю задачу я выполнил. Кальлкулятор сделал. UP сделал.
Вот только 1 единственный трабл...
Есть ошибка: если после выполнения действия, например, сложения, мы нажмем любую цифру, то она допишется к уже имеющемуся результату...
25 + 13 = 38
нажали 1, получили
381
Нужно, чтобы после операций, если мы нажимаем цифру, расчет заново начинался, т.е.
25 + 13 = 38
нажали 1, получили
1
Т.к. я в ASP и C# новичок, я ума не приложу что делать ! Народ, пожалуйста, подскажите что делать !
Заранее большое вам спасибо !!!
Вот код.
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| <html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<table cellspacing="4" align="center" bgcolor="#99CCFF" cellpadding="0">
<tr>
<td class="style1" colspan="4">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="TextBox1" runat="server" Width="201px" Height="29px" BackColor="#D9DDC1">
</asp:TextBox>
</ContentTemplate>
</asp:UpdatePanel>
</td>
<tr>
<td class="style1">
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:Button ID="Button1" runat="server" Text="7" Height="30px" Width="48px" OnClick="Button1_Click"
BackColor="Black" BorderColor="White " ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:UpdatePanel ID="UpdatePanel3" runat="server">
<ContentTemplate>
<asp:Button ID="Button2" runat="server" Text="8" Height="30px" Width="48px" OnClick="Button2_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style2">
<asp:UpdatePanel ID="UpdatePanel4" runat="server">
<ContentTemplate>
<asp:Button ID="Button3" runat="server" Text="9" Height="30px" Width="48px" OnClick="Button3_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style3">
<asp:UpdatePanel ID="UpdatePanel5" runat="server">
<ContentTemplate>
<asp:Button ID="Button4" runat="server" Text="/" Height="30px" Width="48px" OnClick="Button4_Click"
BackColor="#635147" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td class="style1">
<asp:UpdatePanel ID="UpdatePanel6" runat="server">
<ContentTemplate>
<asp:Button ID="Button5" runat="server" Text="4" Height="30px" Width="48px" OnClick="Button5_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:UpdatePanel ID="UpdatePanel7" runat="server">
<ContentTemplate>
<asp:Button ID="Button6" runat="server" Text="5" Height="30px" Width="48px" OnClick="Button6_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style2">
<asp:UpdatePanel ID="UpdatePanel8" runat="server">
<ContentTemplate>
<asp:Button ID="Button7" runat="server" Text="6" Height="30px" Width="48px" OnClick="Button7_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style3">
<asp:UpdatePanel ID="UpdatePanel9" runat="server">
<ContentTemplate>
<asp:Button ID="Button8" runat="server" Text="*" Height="30px" Width="48px" OnClick="Button8_Click"
BackColor="#635147" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td class="style1">
<asp:UpdatePanel ID="UpdatePanel10" runat="server">
<ContentTemplate>
<asp:Button ID="Button9" runat="server" Text="1" Height="30px" Width="48px" OnClick="Button9_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:UpdatePanel ID="UpdatePanel11" runat="server">
<ContentTemplate>
<asp:Button ID="Button10" runat="server" Text="2" Height="30px" Width="48px" OnClick="Button10_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style2">
<asp:UpdatePanel ID="UpdatePanel12" runat="server">
<ContentTemplate>
<asp:Button ID="Button11" runat="server" Text="3" Height="30px" Width="48px" OnClick="Button11_Click"
BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style3">
<asp:UpdatePanel ID="UpdatePanel13" runat="server">
<ContentTemplate>
<asp:Button ID="Button12" runat="server" Text="-" Height="30px" Width="48px" OnClick="Button12_Click"
BackColor="#635147" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td colspan="2">
<asp:UpdatePanel ID="UpdatePanel14" runat="server">
<ContentTemplate>
<asp:Button ID="Button13" runat="server" Text="0" Width="100px" OnClick="Button13_Click"
Height="30px" BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style2">
<asp:UpdatePanel ID="UpdatePanel15" runat="server">
<ContentTemplate>
<asp:Button ID="Button15" runat="server" Text="=" Width="48px" OnClick="Button15_Click"
Height="30px" BackColor="#F6811F" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td class="style3">
<asp:UpdatePanel ID="UpdatePanel16" runat="server">
<ContentTemplate>
<asp:Button ID="Button14" runat="server" Text="+" OnClick="Button14_Click" Width="48px"
Height="30px" BackColor="#635147" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td colspan="2">
<asp:UpdatePanel ID="UpdatePanel17" runat="server">
<ContentTemplate>
<asp:Button ID="Button16" runat="server" Text="." OnClick="Button16_Click" Width="100px"
Height="30px" BackColor="Black" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td colspan="2">
<asp:UpdatePanel ID="UpdatePanel18" runat="server">
<ContentTemplate>
<asp:Button ID="Button17" runat="server" Text="C" OnClick="Button17_Click" Width="100px"
Height="30px" BackColor="#604E44" BorderColor="White" ForeColor="White" />
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
</table>
</div>
</form>
</body>
</html> |
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| using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace Calculator
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected static int i;
protected static double n1;
protected void Button13_Click(object sender, EventArgs e) // Кнопка "0"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button9_Click(object sender, EventArgs e) // Кнопка "1"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button10_Click(object sender, EventArgs e) // Кнопка "2"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button11_Click(object sender, EventArgs e) // Кнопка "3"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button5_Click(object sender, EventArgs e) // Кнопка "4"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button6_Click(object sender, EventArgs e) // Кнопка "5"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button7_Click(object sender, EventArgs e) // Кнопка "6"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button1_Click(object sender, EventArgs e) // Кнопка "7"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button2_Click(object sender, EventArgs e) // Кнопка "8"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button3_Click(object sender, EventArgs e) // Кнопка "9"
{
TextBox1.Text += (sender as Button).Text;
}
protected void Button14_Click(object sender, EventArgs e) // Кнопка "+"
{
i = 1;
n1 = Convert.ToDouble(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button12_Click(object sender, EventArgs e) // Кнопка "-"
{
i = 2;
n1 = Convert.ToDouble(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button8_Click(object sender, EventArgs e) // Кнопка "*"
{
i = 3;
n1 = Convert.ToDouble(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button4_Click(object sender, EventArgs e) // Кнопка "/"
{
i = 4;
n1 = Convert.ToDouble(TextBox1.Text);
TextBox1.Text = "";
}
protected void Button16_Click(object sender, EventArgs e) // Кнопка "."
{
if ((TextBox1.Text != "") && (TextBox1.Text.IndexOf(",") == -1)) TextBox1.Text += ",";
}
protected void Button17_Click(object sender, EventArgs e) // Кнопка "C"
{
TextBox1.Text = "";
}
protected void Button15_Click(object sender, EventArgs e) // Кнопка "="
{
double n2, n3;
if (i == 1)
{
n2 = Convert.ToDouble(TextBox1.Text);
n3 = n1 + n2;
TextBox1.Text = Convert.ToString(n3);
}
if (i == 2)
{
n2 = Convert.ToDouble(TextBox1.Text);
n3 = n1 - n2;
TextBox1.Text = Convert.ToString(n3);
}
if (i == 3)
{
n2 = Convert.ToDouble(TextBox1.Text);
n3 = n1 * n2;
TextBox1.Text = Convert.ToString(n3);
}
if (i == 4)
{
n2 = Convert.ToDouble(TextBox1.Text);
n3 = n1 / n2;
TextBox1.Text = Convert.ToString(n3);
}
}
}
} |
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Народ, ну не уже-ли никто ничего не знает?! 
0
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