Sum column in child table and show total in parent field

[Mohammed_Redha]

please look in this :

How to get sum of field from child table

frappe.ui.form.on("quotesection", "width", function(frm, cdt, cdn){ var d = locals[cdt][cdn]; frappe.model.set_value(d.doctype, d.name, "sqft", d.length * d.width); var total = 0; frm.doc.quotesection.forEach(function(d) { total += d.sqft; }); frm.set_value('total_sqft', total); });