SqlSet<TResult>.Contains(TResult) Method
Checks the existance of the entity, using the primary key value.
Namespace: DbExtensions
Assembly: DbExtensions.dll
Overloads
| Name | Description |
|---|---|
| Contains(Object) | Checks the existance of the entity, using the primary key value. |
| Contains(TResult) | Checks the existance of the entity, using the primary key value. |
Syntax
public bool Contains(
TResult entity
)
Parameters
entity TResult
The entity whose existance is to be checked.
Return Value
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. |