Merge pull request #3 from 9629976110/patch-1

Added KB article link

Author: FarjanaParveen

README.md

@@ -1,2 +1,4 @@
 # How-to-bind-the-selecteditem-in-wpf-treeview-control-
 This session explains about how to bind the selecteditem in wpf treeview control?
+
+KB article - [How-to-bind-the-selecteditem-in-wpf-treeview-control](https://www.syncfusion.com/kb/11636/how-to-bind-the-selecteditem-to-wpf-treeview-control)