Before Update trigger throws an error
136800
DML statement cannot operate on Trigger.new or Trigger.old
152883
Trigger is not working in SQL Server 2012 on runtime?
109207
Comparing dates in a BEFORE INSERT trigger
122995
PHP and Postgres: catching errors?
7197
How to write a unit-test / test class for trigger?
90191
How can I edit this trigger to only fire once?
156635
Does addError() work outside of triggers?
2478
How to override Drupal.ajax.prototype.beforeSend?
32901
Adding a constraint to prevent duplicates in SQL Update Trigger
55671
How do reference a related object within a Salesforce Trigger?
94913
Oracle SQL Trigger mutating when implemeneted
38330
Update query cancelled by user
56331
trigger on Question object gives below error during the deployment
32065
Attempt to de-reference a null object: Trigger
59954
How to compare the old and new values in a trigger for multiple fields?
155521
how to autoincrement varchar datatype depending upon the product details name using trigger
150505
Unable to save the Lead record since Company is a standard required field in salesforce before insert trigger