EFCoreObjectSpace.FirstOrDefault<ObjectType>(Expression<Func<ObjectType, Boolean>>, Boolean) Method
In This Article
Searches for the first object that matches the specified criteria.
Namespace: DevExpress.ExpressApp.EFCore
Assembly: DevExpress.ExpressApp.EFCore.v24.2.dll
NuGet Package: DevExpress.ExpressApp.EFCore
#Declaration
public override ObjectType FirstOrDefault<ObjectType>(
Expression<Func<ObjectType, bool>> criteriaExpression,
bool inTransaction
)
where ObjectType : class
#Parameters
Name | Type | Description |
---|---|---|
criteria |
Expression<Func<Object |
A lambda expression to search for an object. |
in |
Boolean | true if the method takes unsaved changes into account; otherwise, false. |
#Type Parameters
Name | Description |
---|---|
Object |
A type of an object to be returned. |
#Returns
Type | Description |
---|---|
Object |
The first object that matches the specified criteria. null (Nothing in Visual Basic) if there is no persistent object that matches the criteria. |
See Also