modify code that show last value in row to add 1

[mazan2010]

dear Sir
here my code that show last value in column A in database sheet

i would like to add to this code that enable enter value in textbox2 which consist of value of textbox1 +1
for example
if last row value is 37
textbox1 show 37
and textbox2 show 38

[mazan2010]

dear all i found solution for this online as the following in my photo

[mazan2010]

but the problem that can't find how can make concatenate two textbox in one like { 13/2017 }

[mazan2010]

i found this but still without this sign / and without {}

[mazan2010]

many thanks for all and i just try many code and find the following solution is working and i post for all

[mazan2010]

many thanks for who try find solution for me like Glenn Kennedy and other that browse my post