CRM 2011 KeyNotFoundException exception

Question

I am new to CRM development. I have a Custom Entity \"customer\". This Entity has a Field called \"defaultcustomer\", which can be TRUE or FALSE. I am working on a Plug-In where

Answer 1

While Update all Crm fields are False accept that what you Update the field. For that you can use Pre/Post Images in Plugin. you will found that crm field key and update what you need.