Sai Yang

Sai Yang

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C# 2013, Deduct total amount upto paying everytime

Feb 22 2018 8:31 AM
I need to load datasource from database tabel to show on datagridview and in the datagrideview I have colum Col1 called Pay/time and col2 called amount. I want to minus Col2 to Col1 in Row0 and Col2 in row2 would be the sum of row0 or:
 this code just working when the datagridview load or fill
 
 
Col1    Col2
1,000 - 10,000 = 9,000
1,000 - 9,000  = 8,000
1,000- 8,000  = 7,000
 
1,000 - n
1,000 -0
0
 
something like that. I do not know how to say in English well but I hope understand how to do it
 
I just can do Like
 
Col1         Col2
1,000       10,000
1,000       10,000
1,000       10,000
 
it keeps the same amount
 
Advance thanks
Agently need it. 

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