Thursday, March 22, 2012

Fahrenhiet to celsius in asp.net


<%@ Page Language="C#" AutoEventWireup="true" CodeFile="temp.aspx.cs" Inherits="temp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<script type="text/javascript">
    function check() {
        var temp = document.getElementById("txtfah");
        if (temp.value == "" || temp.value == null) {

            alert("Enter the Fahrenhiet");
            temp.focus();
            return false;
        }
        if(isNaN(temp.value))
        {
        alert("Please Enter The Numeric Only");
        temp.focus();
        return false;
        }
        return true;
         }
    </script>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="Label1" runat="server" Text="Enter The Fahrenhiet"></asp:Label>
        <asp:TextBox ID="txtfah" runat="server" ontextchanged="txtfah_TextChanged"></asp:TextBox>
        <asp:Button ID="Convert" runat="server" Text="Convert" OnClientClick="check()"
            onclick="Convert_Click"/>
        <asp:TextBox ID="txtresult" runat="server" ontextchanged="txtresult_TextChanged"
           ></asp:TextBox>
    </div>
    </form>
</body>
</html>





 C# sharp Coding
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class temp : System.Web.UI.Page
{
    int a;
   float result;
 
    protected void txtfah_TextChanged(object sender, EventArgs e)
    {
       a=int.Parse(txtfah.Text);

    }

    protected void Convert_Click(object sender, EventArgs e)
    {
        result = 5 * (a - 32) / 9;
        Response.Write(result);
        txtresult.Text = result.ToString();
    }

    protected void txtresult_TextChanged(object sender, EventArgs e)
    {

    }
}

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