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["DateInvoice","InvoiceN°","Lablel","Quantity","Price","Total","21-10-2017 13:16:15","Modified"]
["2016-11-05",1,"Foot-Ball",8,70,{"$f":"+E2*D2","v":560},"21-10-2017 13:05:29"]
["2016-11-06",2,"Basket-Ball",6,60,{"$f":"+E3*D3","v":360},"21-10-2017 13:05:48",null,null,null,"I have this code to track the date entry of the invoice "]
["2016-11-07",3,"Hand-Ball",16,50,800,"21-10-2017 13:05:51",null,null,null,"When I enter the Number of the invoice for the first time in coloum B, the date of the entry will appear in the column G"]
["2016-11-08",4,"Foot-Ball",3,70,210,"21-10-2017 13:05:53",null,null,null,"There is Two problem there"]
["2016-11-09",5,"Basket-Ball",5,60,300,"21-10-2017 13:05:56",null,null,null,"Assume that after two days I find that I make an error when i enter the InvoiceN° , so when I correct it , the date in column G will change "]
["2016-11-10",6,"Basket-Ball",9,60,540,"21-10-2017 13:05:58",null,null,null,"My Question Is"]
[null,null,null,null,null,null,null,null,null,null,"Is the any solution to maintain the first date entred in column G to track the date when I enter for the first time the invoice and at  every change of the Invoice number  Excel will return in column H the date of last change made"]
[]
[null,null,null,null,null,null,null,null,null,null,"Thank you very muchhhhhhh"]