Criteria.Exists method (1 of 3)
Creates a new EXISTS criteria from another criteria expression.
public static BaseCriteria Exists(BaseCriteria expression)
| parameter | description |
|---|---|
| expression | The expression. |
Return Value
A new EXISTS criteria.
See Also
- class BaseCriteria
- class Criteria
Criteria.Exists method (2 of 3)
Creates a new EXISTS criteria.
public static BaseCriteria Exists(ISqlQuery query)
| parameter | description |
|---|---|
| query | The expression. Must share the same root query that the resulting criteria will be used in (usually built via that query's SubQuery() method); an unrelated query's parameters are not available to the outer query, so embedding it may produce completely invalid results. |
Return Value
A new EXISTS criteria.
Exceptions
| exception | condition |
|---|---|
| InvalidOperationException | query is an independent query with auto parameters. |
See Also
- class BaseCriteria
- interface ISqlQuery
- class Criteria
Criteria.Exists method (3 of 3)
Creates a new EXISTS criteria.
public static BaseCriteria Exists(string expression)
| parameter | description |
|---|---|
| expression | The expression. |
Return Value
A new EXISTS criteria.
See Also
- class BaseCriteria
- class Criteria