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Sowmya G SSowmya G S 

How to make field Write and delete only means while first value insertion to field will insert but do not allow to edit the field

sowmya Inturi 9sowmya Inturi 9
Hi Sowmya,
Create a validation rule and try this in your validation Error Criteria.
AND(NOT(ISBLANK(PRIORVALUE(Field))),NOT(ISBLANK(Field)) )

Thanks,
Sowmya.
 
Raj VakatiRaj Vakati
Try this
 
AND(NOT(ISBLANK(PRIORVALUE(Field))),NOT(ISBLANK(Field)) ,ISNEW() )