Kentico 9.0 API Reference
Namespaces
CMS.Helpers
ValidationHelper Class
ValidationHelper Methods
AreEmails Method
Base64Decode Method
GetBinary Method
GetBoolean Method
GetCodeName Method
GetColor Method
GetDate Method
GetDateSystem Method
GetDateTime Method
GetDateTimeSystem Method
GetDecimal Method
GetDecimalSystem Method
GetDefaultHashStringSalt Method
GetDouble Method
GetDoubleSystem Method
GetFloat Method
GetGuid Method
GetHashString Method
GetHResult Method
GetIdentifier Method
GetInteger Method
GetIntegers Method
GetLanguage Method
GetLong Method
GetNullableBoolean Method
GetSafeFileName Method
GetSafeInteger Method
GetSafeRoleName Method
GetSafeUserName Method
GetSafeXML Method
GetString Method
GetStringFromHash Method
GetTimeSpan Method
GetTimeSpanSystem Method
GetValue Method
IsAllowedXMLCharacter Method
IsBoolean Method
IsCodeName Method
IsColor Method
IsDateTime Method
IsDecimal Method
IsDouble Method
IsDoubleSystem Method
IsEmail Method
IsFileName Method
IsFolderName Method
IsFullName Method
IsGuid Method
IsIdentifier Method
IsInRange Method
IsInteger Method
IsIntervalValid Method
IsLong Method
IsPositiveNumber Method
IsRegularExp Method
IsSpecialFileName Method
IsSpecialFolderName Method
IsTimeSpan Method
IsType Method
IsURL Method
IsUserName Method
IsUsPhoneNumber Method
IsValidClientID Method
LoadBoolean Method
LoadDateTime Method
LoadDateTimeSystem Method
LoadDouble Method
LoadDoubleSystem Method
LoadGuid Method
LoadInteger Method
LoadLong Method
LoadString Method
ValidateHash Method
ValidateHashes Method
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ValidationHelperGetNullableBoolean Method
Returns the boolean representation of an object or default value if a conversion doesn't exist.

Namespace: CMS.Helpers
Assembly: CMS.Helpers (in CMS.Helpers.dll) Version: 9.0.0
Syntax
C#
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public static Nullable<bool> GetNullableBoolean(
	Object value,
	Nullable<bool> defaultValue
)

Parameters

value
Type: SystemObject
The value to convert
defaultValue
Type: SystemNullableBoolean
The default value to substitute

Return Value

Type: NullableBoolean
Successful conversion of value to boolean or a default value.
Remarks
This method allows to use null as a default and return value, usable in cases where unknown value (3-state logic) has to behave differently under certain conditions.
See Also