CosmosDbFunctionsExtensions.IsDefined(DbFunctions, Object) Method

Reference

Definition

Namespace:: Microsoft.EntityFrameworkCore.Cosmos.Extensions

Assembly:: Microsoft.EntityFrameworkCore.Cosmos.dll

Package:: Microsoft.EntityFrameworkCore.Cosmos v9.0.0

Source:: CosmosDbFunctionsExtensions.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Returns a boolean indicating if the property has been assigned a value. Corresponds to the Cosmos IS_DEFINED function.

public static bool IsDefined (this Microsoft.EntityFrameworkCore.DbFunctions _, object? expression);

static member IsDefined : Microsoft.EntityFrameworkCore.DbFunctions * obj -> bool

<Extension()>
Public Function IsDefined (_ As DbFunctions, expression As Object) As Boolean

Parameters

_: DbFunctions

The DbFunctions instance.

expression: Object

The expression to check.

Returns

Boolean

Remarks

See Database functions, and Accessing Cosmos with EF Core for more information and examples.

Applies to

Freigeben über