title: Parser Error Message: Could not create type 'xxx'
body: <p>i get this error </p>
  
  <pre><code>Parser Error Message: Could not create type 'charts.lineChartData'.
  
  Source Error: 
  
  Line 1:  &lt;%@ WebHandler Language="C#" CodeBehind="lineChartData.ashx.cs" Class="charts.lineChartData" %&gt;
  
  Source File: /WebSiteNetPas/lineChartData.ashx    Line: 1 
  
  --------------------------------------------------------------------------------
  Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1 
  </code></pre>
  
  <p>in fact i get this error when using fiddler , my original error is :</p>
  
  <pre><code>Uncaught ReferenceError: lineChartData is not defined                   lineChart.js:20
  http://localhost/WebSiteNetPas/lineChartData.ashx?proxy 500 (Internal Server Error)
  </code></pre>
  
  <p>here is my <strong>lineChartData.ashx.cs</strong> :</p>
  
  <pre><code>using System;
  using System.Web;
  using System.Linq;
  using System.Collections.Generic;
  using Newtonsoft.Json.Linq;
  using System.Web.Script.Serialization;
  
  namespace charts
  {
      public class lineChartData : IHttpHandler
      {
  
      public void ProcessRequest(HttpContext context)
      {
          context.Response.ContentType = "text/plain";
          context.Response.Write("Hello World");
      }
  
      public bool IsReusable
      {
          get
          { return false; }
      }
  
      static string ConvertToJson()
      {
          lineChartClass c = new lineChartClass();
  
          double[] json = new double[4];
  
          //Array.Copy(c.piedata(), json, 4);
          c.piedata().CopyTo(json, 0);
  
          List&lt;ChartItem&gt; chartItems = new List&lt;ChartItem&gt;();
  
          chartItems.Add(new ChartItem() { Name = "Low", Data1 = json[0].ToString() });
          chartItems.Add(new ChartItem() { Name = "Moderate", Data1 = json[1].ToString() });
          chartItems.Add(new ChartItem() { Name = "Critical", Data1 = json[2].ToString() });
          chartItems.Add(new ChartItem() { Name = "High", Data1 = json[3].ToString() });
          string result = new JavaScriptSerializer().Serialize(chartItems);
          //result = "{ name: \"Low\", data1: " + json[0] + "}" + ",{ name: \"Moderate\", data1: " + json[1] + "}" + ",{ name: \"Critical\", data1: " + json[2] + "}" + ",{ name: \"High\", data1: " + json[3] + "}";
  
          return result;
      }
  }
  }
  </code></pre>
  
  <p>if u need more details just let me know</p>
  
  <p>thanks in advance for ut time</p>