c# - Windows phone 8 Silverlight toolkit prefixes not available -

I have a website that sends data or queries for all devices (iOS, Android, Windows Phone), DSB type As JSON is using. WindowsPhone Toolkit and Silverlight Toolkit are installed with Nougat.

The problem is that the chart prefix is ​​not defined!

The code sample I want to use:

  & lt; Charting: Chart & gt; & Lt; Charting: Purseries title = "test item" items source = "{binding item}" dependencywayway = "itemview" independent independent page = "title" /> & Lt; / Charting: Chart & gt;   
 I searched around for a solution, I also went to Toolbox in VisualStudio & amp; The chart is not present in the mix of the tool, although since 2010 there was a button in the YouTube tutorial, so I did not know if Silverlight was not installed properly or because it was left in the new 2011 or 2012 version because the Silverlight is the same free Another one is paid & amp; I want to use this method.  
 Can you please explain the problem and how to fix it? In general, you need to add a namespace statement to the "top" tag of your XML file:  
 
  xmlns: charting = "clr-namespace: system.Windows.Controls.DataVisualization.Charting Blog, this approach has been successfully implemented in a Windows Phone 7 application, when  Silverlight Toolkit is downloaded from   
  However , I'm almost 100% sure it will work with  not  Windows Phone 8, Because me Do not believe that  Silverlight Toolkit  is compatible with WP8.  
 Specifically, if you have WP8 projects in the solution of your VS 2012, then NuGet will give you  Silverlight Toolkit , because it can not detect any project compatible with Toolkit (only Silverlight 4 and higher supported).  
 Above my head, here There are some professional Windows Phone Toolkits, which include chart controls: < / P>