WPF Dictionary Binding by key does not work

WPF Dictionary Binding by key does not work

References

Reference NO 1

http://stackoverflow.com/questions/15199110/wpf-dictionary-binding-by-key-does-not-work

Reference NO 2

http://stackoverflow.com/questions/3334128/binding-a-dictionarys-key-and-value-in-a-listbox-with-wpf

Reference NO 3

http://social.msdn.microsoft.com/Forums/vstudio/en-US/0ecf7c7f-8f54-4a6f-a83d-41770f3f8edd/action?threadDisplayName=binding-to-object-field-of-dictionarystringobject-in-wpf

Reference NO 4

http://drwpf.com/blog/2007/09/16/can-i-bind-my-itemscontrol-to-a-dictionary/

Reference NO 5

http://www.codeproject.com/Questions/193042/WPF-Data-Binding-To-Dictionaries-of-Custom-Objects

Reference NO 6

http://www.code-magazine.com/articleprint.aspx?quickid=0902061&printmode=true

Reference NO 7

http://10rem.net/blog/2010/03/08/binding-to-a-dictionary-in-wpf-and-silverlight

Reference NO 8

http://www.dev102.com/2008/03/07/binding-a-wpf-control-to-a-dictionary/