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POSerialize data for Flot Pie compatibility
 

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  1. POSerialize data for Flot Pie compatibility
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    <p>Even though the data I am passing from my server to client is same as Flot accepts but it is not being drawn. There is also an error on the line where I am trying to parse the returned string JSON. Code Below:</p> <pre><code> //server_processing.aspx.cs [WebMethod] public static string GetPieData() { List&lt;PieData&gt; pieData = new List&lt;PieData&gt;(); pieData.Add(new PieData { label = "A", data = 40 }); pieData.Add(new PieData { label = "B", data = 40 }); pieData.Add(new PieData { label = "C", data = 20 }); var serializer = new JsonSerializer(); var stringWriter = new StringWriter(); var writer = new JsonTextWriter(stringWriter); writer.QuoteName = false; serializer.Serialize(writer, pieData); writer.Close(); var json = stringWriter.ToString(); return json; } //PieData.cs [JsonObject(MemberSerialization.OptIn)] public class PieData { [JsonProperty] public string label { get; set; } [JsonProperty] public int data { get; set; } } &lt;%-- Charts.aspx --%&gt; &lt;script type="text/javascript"&gt; var options = { series: { pie: {show: true} } }; $(document).ready(function () { $.ajax({ type: "POST", url: "server_processing.aspx/GetPieData", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function (msg) { // Replace the div's content with the page method's return. var jsObj = []; //Error on the line below //0x800a03f6 - JavaScript runtime error: Invalid character jsObj.push($.parseJSON(msg.d)); // [{label:"A",data:40},{label:"B",data:40},{label:"C",data:20}] $.plot($("#piechart"), jsObj, options); } }); }); </code></pre> <p></p> <p>I did the same thing for the Flot Line Chart and it worked perfectly. Can someone please kindly point me where I am going wrong?</p>
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    1. COCan you log jsObj to the console and show us exactly what the data looks like?
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    2. COActually that is the line where the error occurs. When parsing to JSON. But in Internet Explorer console for sent data which is `msg` I get `[object Object]`.
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    3. COYou should probably mention in your question that there was an error, and provide any info that you have about it; the way you described the issue it sounded like the plot was just silently failing. Also, log msg.d, since that's what is being parsed.
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