TypeCheckFunctionsExtensions.IsNull(Object) Method

Definition

Namespace:

Microsoft.Azure.Documents.SystemFunctions

Assemblies:

Microsoft.Azure.DocumentDB.Core.dll, Microsoft.Azure.Documents.Client.dll

Packages:

Microsoft.Azure.DocumentDB v2.18.0, Microsoft.Azure.DocumentDB.Core v2.18.0

Determines if a certain property is null or not.

public static bool IsNull (this object obj);

static member IsNull : obj -> bool

<Extension()>
Public Function IsNull (obj As Object) As Boolean

Parameters

obj

Object

Returns

Boolean

Returns true if this property is null otherwise returns false.

Examples

var isNullQuery = documents.Where(document => document.Name.IsNull());