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DbExpressionBuilder.IsNull(DbExpression) Method

Definition

Creates a new DbIsNullExpression that determines whether the specified argument is null.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbIsNullExpression ^ IsNull(System::Data::Common::CommandTrees::DbExpression ^ argument);
public static System.Data.Common.CommandTrees.DbIsNullExpression IsNull (this System.Data.Common.CommandTrees.DbExpression argument);
static member IsNull : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbIsNullExpression
<Extension()>
Public Function IsNull (argument As DbExpression) As DbIsNullExpression

Parameters

argument
DbExpression

An expression that specifies the argument.

Returns

A new DbIsNullExpression with the specified argument.

Exceptions

argument is null.

argument has a collection result type.

Applies to