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layal abishalhla 
class classA(osv.osv):

 _name="classA"

 def _meth ......


 _columns = {

        'b_id' : fields.one2many('classB', 'a_id'),

        'rem' : fields.function(_meth,type = "float", method=True, multi='sums',store=True,readonly=True),

        }

classA()



class classB(osv.osv):

 _name="classB"


 _columns = {

        'amount' : fields.float ('Paid Amount'),

        'a_id' : fields.many2one('classA'),

    }




 def onchange_amount(self,cr,uid,ids,amount,context=None):

        res={}

        warning = False

        if (self.pool.get("classA").rem - amount <0):

            warning = {

             'title' : ("Warning"),

             'message' : ("!"),

                 }

        return { 'warning' : warning }

classB()

what im gettig is :

Client Traceback (most recent call last): File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\http.py", line 204, in dispatch File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\controllers\main.py", line 1128, in call_kw File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\controllers\main.py", line 1120, in _call_kw File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\session.py", line 42, in proxy File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\session.py", line 30, in proxy_method File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\session.py", line 103, in send

Server Traceback (most recent call last): File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\web\session.py", line 89, in send File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\netsvc.py", line 292, in dispatch_rpc File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\service\web_services.py", line 626, in dispatch File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\osv\osv.py", line 188, in execute_kw File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\osv\osv.py", line 131, in wrapper File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\osv\osv.py", line 197, in execute File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server.\openerp\osv\osv.py", line 185, in execute_cr File "C:\Program Files (x86)\OpenERP 7.0-20130703-231023\Server\server\openerp\addons\m.zip\m\m.py", line 58, in onchange_amount AttributeError: 'classA' object has no attribute 'rem'

any help please?

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Sudhir Arya (ERP Harbor Consulting Services)
En İyi Yanıt

Issue is self.pool.get("classA").rem here. To get the value of any field, you have to either read or browse the record.

Try this:

for rec in self.browse(cr, uid, ids, context=context):
    if rec.a_id and (rec.a_id.rem - amount < 0):
        #Your code goes here
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layal abishalhla
Üretici

thank u for ur reply .. i tried it now , no error .. but it does nothing (even if rec.a_id.rem - amount < 0 no warning is displayed !) any help ?