SqlSet<TResult>.Contains Method (TResult)
Checks the existance of the entity, using the primary key value.
Namespace: DbExtensions
Assembly: DbExtensions.dll
Syntax
public bool Contains(
TResult entity
)
Parameters
entity
Type: TResult
The entity whose existance is to be checked.
Return Value
Type: Boolean
true if the primary key value exists in the database; otherwise false.
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | This method can only be used on sets where the result type is an annotated class. |