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Sreenu Reddy 16 creation / update task description based on lookup field " most recent campaign "
hi viewers: i have two fields in task obj most recent campaign (lookup to campaign) and description , i want to update the description as mosot resend campaign (lookup to campaign ) in task.. using before trigger. i wrote some logic updateDescription on Task (Before insert,Before Update) . i am getting fallowing error when i am create record. any one help me .
{
set<id> setcmpnid =new set<id>();
for(task tsk:trigger.new)
{
String wId = tsk.WhatId;
if(wId!=null && !setcmpnid.contains(tsk.WhatId))
{
setcmpnid.add(tsk.WhatId);
system.debug('++++++ the setcmpnid value is +++++++'+setcmpnid);
}
}
if(setcmpnid.size()>0) {
list<campaign> tskcmpn= [Select id, Description from campaign where id in :setcmpnid ];
Map<id,campaign> cmpn= new Map<id,campaign>();
for(campaign cpn : tskcmpn)
{
cmpn.put(cpn.Id,cpn);
system.debug('++++++ the campaign id value is +++++++'+cmpn);
}
for (task tsk:trigger.new) {
String wId = tsk.WhatId;
if(wId!=null) {
campaign thiscpn = cmpn.get(tsk.WhatId);
if(thiscpn != null){
tsk.most_Resent_Campaign__c = thiscpn.Description;
system.debug('++++++ the tsk.most_Resent_Campaign__c value is +++++++'+tsk.most_Resent_Campaign__c);
}
}
}
}
}
Error: Invalid Data.
Review all error messages below to correct your data.
Apex trigger updateDescription caused an unexpected exception, contact your administrator: updateDescription: execution of BeforeUpdate caused by: System.StringException: Invalid id: sfdc salesforce sfdc : Trigger.updateDescription: line 37, column 1
trigger updateDescription on Task (Before insert,Before Update) {
set<id> setcmpnid =new set<id>();
for(task tsk:trigger.new)
{
String wId = tsk.WhatId;
if(wId!=null && !setcmpnid.contains(tsk.WhatId))
{
setcmpnid.add(tsk.WhatId);
setcmpnid.add(tsk.most_Resent_Campaign__c);
}
} system.debug('@@@@@@@ the setcmpnid value is +++++++'+setcmpnid.size());
if(setcmpnid.size()>0) {
system.debug('++++++++cmpn size==='+setcmpnid.size());
list<campaign> tskcmpn= [Select id,Description from campaign where id in :setcmpnid ];
Map<id,campaign> cmpn= new Map<id,campaign>();
for(campaign cpn : tskcmpn)
{
cmpn.put(cpn.Id,cpn);
system.debug('++++++ the campaign id value is +++++++'+cmpn);
}
for (task tsk:trigger.new) {
String wId = tsk.WhatId;
if(wId!=null) {
campaign thiscpn = cmpn.get(tsk.WhatId);
if(thiscpn != null){
tsk.campaig_Description__c = thiscpn.Description;
system.debug('++++++ the tsk.most_Resent_Campaign__c value is +++++++'+tsk.most_Resent_Campaign__c);
}
}
}
}
}