WPF KeyBindings not working

WPF KeyBindings not working

References

Reference NO 1

http://stackoverflow.com/questions/3941404/c-wpf-keybinding-not-triggering-command

Reference NO 2

http://stackoverflow.com/questions/2691501/wpf-mvvm-keybinding-not-being-recognized-right-away-and-not-always-working

Reference NO 3

http://social.msdn.microsoft.com/Forums/vstudio/en-US/b3d76b3e-b6fc-404c-95cd-95ac34ba7d74/action?threadDisplayName=problem-with-keybinding-and-focus

Reference NO 4

http://xceed.com/CS/forums/thread/32189.aspx

Reference NO 5

http://compositewpf.codeplex.com/discussions/50312

Reference NO 6

http://joyfulwpf.blogspot.com/2009/05/mvvm-commandreference-and-keybinding.html

Reference NO 7

http://go4answers.webhost4life.com/Example/why-inputbinding-stops-working-125894.aspx

Reference NO 8

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