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POKnockout.js foreach with MS WebAPI
 

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  1. POKnockout.js foreach with MS WebAPI
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    <p>defining two FOREACHs in two different DIVs as follow</p> <pre><code>&lt;div style="background-color:black; color:white; overflow:scroll; height:350px;width:300px"&gt; &lt;ol data-bind="foreach: price_quantity"&gt; &lt;li data-bind="text: quantity + ' &amp;&amp;&amp; ' + price"&gt;&lt;/li&gt; &lt;/ol&gt; &lt;/div&gt; &lt;div style="background-color:black; color:white; overflow:scroll; height:350px;width:300px"&gt; &lt;ul data-bind="foreach: papers" style="list-style-type:none"&gt; &lt;li&gt; &lt;div data-bind="text: paperName"&gt;&lt;/div&gt; &lt;ul data-bind="foreach : _colors" &gt; &lt;li&gt; &lt;div data-bind="style:{'background-color' : colorName}" style="height:25px;width:25px;border:1px solid white"&gt;&lt;/div&gt; &lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; </code></pre> <p>and on $(document).ready, I am making two AJAX calls as below to populate two divs above with LIST</p> <pre><code>&lt;script type="text/javascript"&gt; $(document).ready(function () { var sku = "abcd"; $.ajax({ url: "/api/values?clientSKU=" + sku, dataType: "json", asyc: true, type: "get", success: function (msg) { var skuandprice = $.parseJSON(msg); ko.applyBindings(new ViewPriceObjectOnWeb(skuandprice)); }, error: function (jqXHR, textStatus, errorThrown) { alert(textStatus + ' ' + errorThrown); } }); var appid= "123"; $.ajax({ url: "/api/Default1?app_id=" + appid, dataType: "json", asyc: false, type: "get", success: function (msg) { var paperandcolors = $.parseJSON(msg); ko.applyBindings(new PaperModal(paperandcolors)); }, error: function (jqXHR, textStatus, errorThrown) { alert(textStatus + ' ' + errorThrown); } }); </code></pre> <p>});</p> <pre><code>function ViewPriceObjectOnWeb(d) { this.price_quantity = ko.observableArray(d); } function PaperModal(paperArr) { this.papers = ko.observableArray(paperArr); } </code></pre> <p></p> <p>if I run them by commenting one or other DIV and not make corresponding call, it works fine. </p> <p>When Page Loads with both DIVS and their LISTS insided them, it gives error of</p> <p>Unable to parse bindings. Message: ReferenceError: 'price_quantity' is undefined; Bindings value: foreach: price_quantity</p> <p>Why this won't work? Any help is greately appreciated.</p>
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    1. PO
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      1. PTAnswer
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    1. PTQuestion
    1. USpnuts
    1. USBhagirath
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. This table or related slice is empty.
 

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