c# - How to Implement Undo for Treeview -

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i working in windows application. problem is..

i have treeview & textbox control in form. each node text present in textbox saving in database.

currently program working this. 1) treeview_beforeselect() : in method have written code save textbox data in database. 2) treeview_afterselect() : in method have written code data database & display in textbox.

now have implement undo treeview. please suggest ideas regarding this.

would simple adding time stamp field everytime persist data database? every time persist treeview, need insert new row , increment version. if want undo, need previous version.


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