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ve been thinking about what is the best way to do my datagridview math. I have this datagridview which I need to go row by row multiplying column "castka" with počet" and then + the next row then + next row until Im on the end and then display the final value in textBox. As I'm beginner in c# and sql I wanted to discuss this with you for first. (codes are welcome :) )

Thanks so much in advance.
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1 solution

Refer to this link and remember to replace summation with multiplication.

Display sum of columns total in gridview footer in asp.net[^]

Regards.. :laugh:
 
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mareksip 20-Jul-13 10:28am    
Hello thank you so much for reply, but I need to multiply two columns together počet*castka then remember this value and add to it row below again pocet*castka until the end of rows and all those rows summ together.

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