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| CuttingEdge.Conditions reference library |
| ValidatorExtensions..::.IsNullOrWhiteSpace Method (ConditionValidator<(Of <(String>)>)) |
| ValidatorExtensions Class See Also Send Feedback |
Checks whether the given value is null (Nothing in Visual Basic), empty, or consists only
of white-space characters.
Namespace:
CuttingEdge.Conditions
Assembly:
CuttingEdge.Conditions (in CuttingEdge.Conditions.dll)
Syntax
| Visual Basic (Declaration) |
|---|
Public Shared Function IsNullOrWhiteSpace ( _ validator As ConditionValidator(Of String) _ ) As ConditionValidator(Of String) |
| C# |
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public static ConditionValidator<string> IsNullOrWhiteSpace( ConditionValidator<string> validator ) |
| Visual C++ |
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public: static ConditionValidator<String^>^ IsNullOrWhiteSpace( ConditionValidator<String^>^ validator ) |
| JavaScript |
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CuttingEdge.Conditions.ValidatorExtensions.isNullOrWhiteSpace = function(validator); |
Parameters
- validator
- Type: CuttingEdge.Conditions..::.ConditionValidator<(Of <(String>)>)
The ConditionValidator<(Of <(T>)>) that holds the value that has to be checked.
Return Value
The specified validator instance.Exceptions
| Exception | Condition |
|---|---|
| System..::.ArgumentException | Thrown when the Value of the specified validator is not null, not empty and does not consists only of white-space characters, while the specified validator is created using the Requires extension method. |
| CuttingEdge.Conditions..::.PostconditionException | Thrown when the Value of the specified validator is not null, not empty and does not consists only of white-space characters, while the specified validator is created using the Ensures extension method. |
See Also
