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viswada trigger for no contacts in accounts
HI ALL,
I am new to devleopment. i have one custom filed in account named as 'NoofContacts ' data type is Integer, i need tigger code how many contacts are there in particular account, when i am inserting one contact in particular account, hte noofcontact fileld in account increased one automatically, same as delete contact, the noofcontact will be decreased, i am able to do this, but i am logged ate updating the contact , if i update the contact ,i will change the account,then old acocunt noofcontact filed willbe decreased by one and new account noofcontacts filed is deleted by one, iam logged here ,plz any one help
why dont you use a roll up summary here??
i feel it would cut down all the pain of trigger.
thz for responding,,
rollup summery fields are performed when masterdetail relationship between objects. but lookup relationship we have in between account and contact. that's why i choosen trigger..
include trigger event 'after update' in the trigger header .
eg : trigger trig_name on obj_name (after update,after insert,after delete) {
}
and moreover seperate the code into two categories,
write noofcontacts increment code under
if(isInsert or isUpdate)
{
//write increment code here
}
if(isDelete or isUpdate)
{
//write decrement code here
}
hope it'll help u.
correct me if i'm wrong