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POjQuery autocomplete not works with remote data from ashx
 

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  1. POjQuery autocomplete not works with remote data from ashx
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    <p>I use a jQuery autocomplete with an ASHX as source. But every request throws an error with number 200.</p> <p>My JavaScript:</p> <pre><code>$(function () { $('#username input[type = "text"]').autocomplete({ source: function (request, response) { $.ajax({ url: "UserName.ashx?term=" + request.term, dataType: "json", type: "POST", success: function (data) { response($.map(data, function (item) { return { label: item.Value } })) }, error: function (xhr, ajaxOptions, thrownError) { alert(xhr.status); alert(thrownError); } }); } }); }); </code></pre> <p>The HTML:</p> <pre><code>&lt;div id="username"&gt; &lt;asp:Label Text="User name" runat="server" /&gt; &lt;asp:TextBox ID="txtUserName" runat="server" /&gt; &lt;/div&gt; </code></pre> <p>ASHX:</p> <pre><code>Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest context.Response.Clear() context.Response.ContentType = "application/json" Try Dim oList As New List(Of ResultItem) For Each File As System.IO.FileInfo In New System.IO.DirectoryInfo(ApplicationInfo.Settings.AbsoluteUserConfigPath).GetFiles(context.Request.QueryString("term") &amp; "*.xml") oList.Add(New ResultItem With {.Value = System.Text.RegularExpressions.Regex.Replace(File.Name, File.Extension &amp; "$", String.Empty)}) Next context.Response.Write(New System.Web.Script.Serialization.JavaScriptSerializer().Serialize(oList)) Catch ex As Exception context.Response.Clear() context.Response.ContentType = "text/plain" context.Response.StatusCode = 500 context.Response.StatusDescription = ex.Message End Try End Sub </code></pre> <p>With static content it works fine but with this request I get the following error: <code>SyntaxError: JSON.parse: unexpected character</code>.</p> <p>The resulting JSON looks like</p> <pre><code>[ {"Value":"Item 1","Name":"","Description":""}, {"Value":"Item 2","Name":"","Description":""}, {"Value":"Item 3","Name":"","Description":""}, {"Value":"Item 4","Name":"","Description":""} ] </code></pre> <p>and should be valid.</p> <p>Any idea why it does not work? What is the unexpected character?</p> <p>Thanks for any response.</p>
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