IDataAccessAdapterFetchEntityUsingUniqueConstraint Method (IEntity2, IPredicateExpression, Context) |
Fetches an entity from the persistent storage into the object specified using the filter specified.
Use the entity's uniqueconstraint filter construction methods to construct the required uniqueConstraintFilter for the
unique constraint you want to use.
Namespace:
SD.LLBLGen.Pro.ORMSupportClasses
Assembly:
SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.4.0.0 (5.4.0)
Syntax bool FetchEntityUsingUniqueConstraint(
IEntity2 entityToFetch,
IPredicateExpression uniqueConstraintFilter,
Context contextToUse
)
Function FetchEntityUsingUniqueConstraint (
entityToFetch As IEntity2,
uniqueConstraintFilter As IPredicateExpression,
contextToUse As Context
) As Boolean
Parameters
- entityToFetch
- Type: SD.LLBLGen.Pro.ORMSupportClassesIEntity2
The entity object in which the fetched entity data will be stored. - uniqueConstraintFilter
- Type: SD.LLBLGen.Pro.ORMSupportClassesIPredicateExpression
The filter which should filter on fields with a unique constraint. - contextToUse
- Type: SD.LLBLGen.Pro.ORMSupportClassesContext
The context to add the entity to if the fetch was succesful.
Return Value
Type:
Booleantrue if the Fetch was succesful, false otherwise
See Also