<%@ Page Language="C#" AutoEventWireup="true" CodeFile="HandelNullValues.aspx.cs"Inherits="HandelNullValues" %><!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><title>Add Numbers</title><script type="text/javascript" language="javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script><script type="text/javascript">function AddNumbers(PrmFirstNumber, PrmSecondNumber) {if (isNaN(PrmFirstNumber) || isNaN(PrmSecondNumber)) {return NaN;}else {return Number(PrmFirstNumber) + Number(PrmSecondNumber);}}$(document).ready(function () {$("#BtnAddNumber").click(function () {var FirstNumber = $("#TextFirstNumber").val();var SecondNumber = $("#TextSecondNumber").val();alert(AddNumbers(FirstNumber, SecondNumber));alert("for precision: " + AddNumbers(FirstNumber, SecondNumber).toFixed(2));});});</script></head><body style="font-family: Arial; font-size: 100%;"><div><table cellpadding="5" cellspacing="0" style="border: none 0px transparent;"><tr><td><label>First Number</label></td><td><input type="text" maxlength="3" id="TextFirstNumber" /></td></tr><tr><td><label>Second Number</label></td><td><input type="text" maxlength="3" id="TextSecondNumber" /></td></tr><tr><td colspan="2"><button id="BtnAddNumber" type="button">Add</button></td></tr></table></div></body></html>
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