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POAjax / Jquery Autocomplete with JSON data
 

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    <p>I am trying to setup my Jquery UI autocomplete field to have data from an ajax connection. Here is my code so far:</p> <pre><code> $("#mainIngredientAutoComplete").autocomplete({ source: function (request, response) { $.ajax({ url: "../api/IngredientChoices", dataType: "json", success: function (data) { response(function (item) { return { label: item.MainName, value: item.MainItemID } }); } }); } }); </code></pre> <p>This is my JSON:</p> <pre><code>[{"SubItemID":1,"MainItemID":1,"SubName":"2%","MainName":"Milk"},{"SubItemID":2,"MainItemID":1,"SubName":"Skim/Fat Free","MainName":"Milk"},{"SubItemID":3,"MainItemID":2,"SubName":"Chedder","MainName":"Cheese"}] </code></pre> <p>HTML:</p> <pre><code>&lt;table id="tbl_ingredients" style="padding:0px;"&gt; &lt;tr id="ingHeader"&gt; &lt;td&gt;Ingredient&lt;/td&gt; &lt;td&gt;Measurement&lt;/td&gt; &lt;td&gt;Amount&lt;/td&gt; &lt;td&gt;&lt;input id="mainIngredientAutoComplete" /&gt;&lt;/td&gt; &lt;td&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre> <p>When I start to type "mil" (for milk) my code gives me this error:</p> <p><img src="https://i.stack.imgur.com/BXGSa.png" alt="enter image description here"></p> <p><strong>EDIT:</strong></p> <p>I made your change, which worked for a few attempts but now I am getting a new error - </p> <p>Unhandled exception at line 55, column 25 in [URL]</p> <p>0x800a1391 - Microsoft JScript runtime error: 'data' is undefined</p> <pre><code> $("#mainIngredientAutoComplete").autocomplete({ source: function (request, response) { $.ajax({ url: "../api/IngredientChoices", dataType: "json", response: ($.map(data, function(v,i){ return { label: v.MainName, value: v.MainItemID }})) }); } }); </code></pre>
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