on_change function on a float field

Question

I have a float field total_qty.

I want to change another 4 quantities when this field changes.

So i create an on_change function as follows..

in .xml,

/*                    <field name="total_qty" on_change="onchange_total_qty(total_qty)"/>*/

in .py,

/*        def onchange_total_qty(self,cr,uid,ids,total_qty,context=None):
vals = {'ratio_codes': '','r38ids': '','r40ids': '','r42ids': '','r44ids': ''}
if total_qty:
sample2=self.pool.get('ratio').browse(cr, uid, total_qty, context=None)
vals

Vasanth · Answer

H,

you can just change your code like this:

def onchange_total_qty(self,cr,uid,ids,total_qty,context=None):
vals = {'ratio_codes': '','r38ids': '','r40ids': '','r42ids': '','r44ids': ''}
if total_qty:
sample2=self.pool.get('ratio').browse(cr, uid, *ids*, context=None)
vals['ratio_codes'] = sample2.ratio_code
vals['r38ids'] = sample2.r38 * total_qty
vals['r40ids'] = sample2.r40 * total_qty
vals['r42ids'] = sample2.r42 * total_qty
vals['r44ids'] = sample2.r44 * total_qty
return {'value' : vals }

Emipro Technologies Pvt. Ltd. · Answer

Hi,

I think you have make something wrong as follows.

/*if total_qty:
#sample2=self.pool.get('ratio').browse(cr, uid, total_qty, context=None) this is wrong.*/

/*          sample2=self.pool.get('ratio').browse(cr, uid, ids[0], context=None)
vals['ratio_codes'] = sample2.ratio_code*/

/In the browse method you can not pass "total_qty" in place of "ids[0]". So, just change it and make your code will running./

Temur · Answer

sample2=self.pool.get('ratio').browse(cr, uid, *total_qty*, context=None) << ERROR: total_qty passed instead of ids.

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