IsExpressionNull Method
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Checks to see if the ExpressionColumn column is nullNothingnullptra null reference (Nothing in Visual Basic).
Namespace: Microsoft.CommerceServer.Catalog
Assembly: Microsoft.CommerceServer.Catalog (in Microsoft.CommerceServer.Catalog.dll)
Syntax
'Declaration
Public Function IsExpressionNull As Boolean
'Usage
Dim instance As CatalogSetsDataSet..::.CatalogSet
Dim returnValue As Boolean
returnValue = instance.IsExpressionNull()
public bool IsExpressionNull()
public:
bool IsExpressionNull()
public function IsExpressionNull() : boolean
Return Value
Type: System..::.Boolean
true if the ExpressionColumn is null; otherwise false.
Remarks
Gets a value that indicates whether the specified ExpressionColumn contains a null value.
Permissions
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Reference
CatalogSetsDataSet..::.CatalogSet Class