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POSimple graphical calculator in ASP.NET MVC like MS Windows Calculator
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2013-10-17T13:42:43.517
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<p>I have problem in ASP.NET MVC to get expression when I click the <code>btnOne</code> -> <code>btn0</code> -> <code>btnPlus</code> -> <code>btn2</code> -> <code>btn1</code>. I want to have this expression: <code>10+21</code> and after click in <code>btnEqual</code> I want to get sum of this expression and get only one value in <code>textBox31</code> like in simple windows calculator. How to do that?</p> <p>I have View named <code>Calculate</code>:</p> <pre><code><body> <div id="CalculatorSpace"> <form name="Calc"> <input type="text" name="textBox" id="textBox" value=""/> <table> <tr> <td><input type="button" name="btnSeven" id="btnSeven" value="7" /></td> <td><input type="button" id="btnEight" value="8" /></td> <td><input type="button" id="btnNine" value="9" /></td> <td><input type="button" id="btnDelete" value="DEL" /></td> <td><input type="button" id="btnClear" value="CLR" /></td> </tr> <tr> <td><input type="button" id="btnFour" value="4" /></td> <td><input type="button" id="btnFive" value="5" /></td> <td><input type="button" id="btnSix" value="6" /></td> <td><input type="button" id="btnMultiply" value="*" /></td> <td><input type="button" id="btnDivide" value="/" /></td> </tr> <tr> <td><input type="button" id="btnOne" value="1" /></td> <td><input type="button" id="btnTwo" value="2" /></td> <td><input type="button" id="btnThree" value="3" /></td> <td><input type="button" id="btnPlus" value="+" /></td> <td><input type="button" id="btnMinus" value="-" /></td> </tr> <tr> <td><input type="button" id="btnZero" value="0" /></td> <td><input type="button" id="btnDot" value="." /></td> <td><input type="button" id="btnEqual" value="=" /></td> </tr> </table> <script> window.onload = function () { document.getElementById('btnSeven').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnSeven').value; }); document.getElementById('btnEight').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnEight').value; }); document.getElementById('btnNine').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnNine').value; }); document.getElementById('btnDelete').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnDelete').value; }); document.getElementById('btnClear').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnClear').value; }); document.getElementById('btnFour').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnFour').value; }); document.getElementById('btnFive').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnFive').value; }); document.getElementById('btnSix').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnSix').value; }); document.getElementById('btnMultiply').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnMultiply').value; }); document.getElementById('btnDivide').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnDivide').value; }); document.getElementById('btnOne').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnOne').value; }); document.getElementById('btnTwo').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnTwo').value; }); document.getElementById('btnThree').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnThree').value; }); document.getElementById('btnPlus').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnPlus').value; }); document.getElementById('btnMinus').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnMinus').value; }); document.getElementById('btnZero').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnZero').value; }); document.getElementById('btnDot').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnDot').value; }); document.getElementById('btnEqual').addEventListener('click', function () { document.getElementById('textBox').value = document.getElementById('textBox').value + document.getElementById('btnEqual').value; }); } </script> </form> </div> </code></pre> <p></p> <p>I have CalculatorController look like this:</p> <pre><code> public class CalculatorController : Controller { // // GET: /Calculator/ public ActionResult Index() { return View(); } //GET: /Calculator/Calculate public ActionResult Calculate(string value) { return View(); } } </code></pre> <p>How do now to be entered in the expression <code>x + x</code> when you click <code>btnEqual</code> carries out the calculation of data (compared to pressed the +, -, *, /)?</p>
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Simple graphical calculator in ASP.NET MVC like MS Windows Calculator
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1. COHave you tried anything yet? Something like - http://csharpeval.codeplex.com/ - Might be useful for you.
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