when i edit the first column , how can the fourth change?

hello, I use the grid. for example my table has four columns. I want c3=c0+c1+c2, so I set setColTypes(“edn,edn,edn,edn[=c0+c1+c2]”).mygrid.attachFooter("#stat_total,#stat_total,
#stat_total,#stat_total");when i edit the first or second or third column ,the fourth footer can not change. why? if I want the fourth footer change as the first or second or third column change, how can i do it? thank you in advance.

Please, try to call:


I have tried. But it doesn’t work. why? Can you tell me in detail?

I have solve it

Unfortunately the issue cannot be reconstructed locally.
Please, have a look at the tutorial:
docs.dhtmlx.com/doku.php?id=dhtm … der_footer

Also, there was a typo in my previous post. Please, try to call:


to force the calculation.

If issue still occurs - please, provide any kind of sample of your code or a complete demo where the issue can be reproduced.