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sari

class mk_stage(models.Model):    

_name = 'mk.stage'    

name = fields.Char(string='Stage')    

max_number = fields.Integer(string='Max number of Stages') 

     

class mk_link_student(models.Model):    

_name = 'mk.link.student'_descriptio    

_rec_name = 'name_stage_id'     

name_stage_id = fields.Many2one( 'mk.stage',string='Name Stage',     )     

remain_num = fields.Integer(  string='Remaining number',

student_ids = fields.Many2many('mk.student.register', string = 'Student')    

i do onchange (name_stage_ids) in field remain_number save max_number from name_stage_ids

  i want calculate remain_number depend on student_ids  if increase remain_number =name_stage_id.max_number - student_ids.id if decrease name_stage_ids.max_number + student_ids.id

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Niyas Raphy (Walnut Software Solutions)
Best Answer

Hi Sari,

I didn,t understand the extact logic on which you  are looking to assign the value to field remain_num . You can try like this,

@api.onchange('name_stage_id')
def SetRemainingValue(self):
    if self.name_stage_id:
        #here you can check condition and write value to remain_num
        #suppose a is a variable where result is computed
        self.remain_num = a
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sari
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you don't understand me i don't want to make onchange i have onchange on field stage_ids i want compute field remain_number when add id in student_ids field many2many must

remain_numbe = max_numbe - student_ids.id