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POOn keypress of jquery change the value of textbox
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  1. POOn keypress of jquery change the value of textbox
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    copied!<p>I got the JSON data from my ASP.net MVC Controller, and loop it to display in my View. </p> <p><img src="https://i.stack.imgur.com/FAfX8.png" alt="enter image description here"></p> <pre><code>$(document).ready(function () { var amount = 0; var subTotal = 0; var vat = 0; var total = 0; var qty = 0; var urlSession = '&lt;%: Url.Content("~/") %&gt;' + "Quotation/ProductInSession"; $.getJSON(urlSession, function (dataQuote) { var i = dataQuote.ja.length; $.each(dataQuote.ja, function (index, data) { amount = data.ProductQty * data.ProductPrice; subTotal += amount; $("#listProduct tr#first_row").after('&lt;tr style="height:25px;"&gt;&lt;td class="tablecell2" width="40px" align="center"&gt;' + i + '&lt;/td&gt;&lt;td class="tablecell2"&gt;' + data.ProductName + '&lt;/td&gt;&lt;td class="tablecell2" width="70px" align="center"&gt;&lt;input id="qty" type="text" value="' + data.ProductQty + '" size="2"/&gt;&lt;/td&gt;&lt;td class="tablecell2" width="90px" align="right" style="padding-right:5px;"&gt;' + data.ProductPrice + '&lt;/td&gt;&lt;td class="tablecell2" style="border-right:1px solid silver;padding-right:5px;" width="120px" align="right"&gt;&lt;span id="amount"&gt;' + amount + '&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;'); i--; $('#qty').keypress(function (event) { var keycode = (event.keyCode ? event.keyCode : event.which); if (keycode == '13') { qty = $("#qty").val(); $("#qty").html(qty); amount = qty * data.ProductPrice; $("#amount").html(amount); } }); }); vat = (subTotal * 10) / 100; total = subTotal + vat; $("#vvat").html("&lt;b&gt;" + vat + "&lt;/b&gt;"); $("#ssubtotal").html(subTotal); $("#sgrandtotal").html("&lt;b&gt;" + total + "&lt;/b&gt;"); }); }); </code></pre> <p>What I want to do is :</p> <ol> <li>Change the value in textbox when I press the key Enter</li> <li>Change the value of the amount (amount = qty * UnitPrice)</li> </ol> <p>Should I create another action of the controller to handle this update or anything beside this.</p> <p>Thanks for any help anyone can give me!</p> <p>The </p>
 

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