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DevExpress.Persistent.Validation
CodeRuleAttribute
ContextIdentifier
ContextIdentifiers
CriteriaEvaluationBehavior
CustomIsEmptyValueEventArgs
CustomNeedToValidateRuleEventArgs
CustomValidateRuleEventArgs
DefaultContexts
GenerateMessageTemplatesModelAttribute
IEmptyCheckable
IModelValidationDefaultErrorMessageTemplates
IRule
IRuleBaseProperties
IRuleCollectionPropertyProperties
IRuleSource
IRuleSupportsCollectionAggregatesProperties
ParametersMode
RuleBase
RuleBaseAttribute
RuleBaseProperties
RuleCombinationOfPropertiesIsUniqueAttribute
RuleCombinationOfPropertiesIsUniqueProperties
RuleCriteriaAttribute
RuleCriteriaProperties
RuleFromBoolPropertyAttribute
RuleFromBoolPropertyProperties
RuleIsReferencedAttribute
RuleIsReferencedProperties
RuleObjectExistsAttribute
RuleObjectExistsProperties
RulePropertyValueProperties
RuleRangeAttribute
RuleRangeProperties
RuleRegularExpressionAttribute
RuleRegularExpressionProperties
RuleRequiredFieldAttribute
Members
Constructors
Properties
Methods
RuleRequiredFieldProperties
RuleSearchObjectProperties
RuleSet
RuleStringComparisonAttribute
RuleStringComparisonProperties
RuleUniqueValueAttribute
RuleUniqueValueProperties
RuleValidatedEventArgs
RuleValidationResult
RuleValueComparisonAttribute
RuleValueComparisonProperties
StringComparisonType
ValidationCompletedEventArgs
ValidationException
ValidationOutcome
ValidationResultType
ValidationState
Validator
ValueComparisonType
Download CHM

RuleRequiredFieldAttribute Members

Defines a validation rule that demands that a property has a value.

Constructors

Name Description
RuleRequiredFieldAttribute() Initializes a new instance of the RuleRequiredFieldAttribute class.
RuleRequiredFieldAttribute(DefaultContexts) Initializes a new instance of the RuleRequiredFieldAttribute class.
RuleRequiredFieldAttribute(String, DefaultContexts, String) Initializes a new instance of the RuleRequiredFieldAttribute class.
RuleRequiredFieldAttribute(String, DefaultContexts) Initializes a new instance of the RuleRequiredFieldAttribute class.
RuleRequiredFieldAttribute(String, String, String) Initializes a new instance of the RuleRequiredFieldAttribute class.
RuleRequiredFieldAttribute(String, String) Initializes a new instance of the RuleRequiredFieldAttribute class.

Properties

Name Description
CustomMessageTemplate Specifies informational text that is to be added to the exception message when the current Validation Rule is broken. Inherited from RuleBaseAttribute.
InvertResult Specifies whether the current rule should be inverted, to be checked. Inherited from RuleBaseAttribute.
Name Specifies a name of the rule created using the current attribute. Inherited from RuleBaseAttribute.
ResultType Specifies the application behavior when the rule is broken. Inherited from RuleBaseAttribute.
SkipNullOrEmptyValues Specifies whether the current rule is checked for the properties that are set to null (Nothing in VB), an empty string (for string type propeties) or a minimal date (for DateTime type properties). Inherited from RuleBaseAttribute.
TargetContextIDs Specifies a context for checking the current Rule. Inherited from RuleBaseAttribute.
TargetCriteria Specifies a criterion that must be satisfied by the validated object or property to check rules. Inherited from RuleBaseAttribute.
TargetPropertyName Specifies the target collection’s element property that must be checked by the current rule.
TypeId When implemented in a derived class, gets a unique identifier for this Attribute. Inherited from Attribute.

Methods

Name Description
Equals(Object, Object) static Determines whether the specified object instances are considered equal. Inherited from Object.
Equals(Object) Returns a value that indicates whether this instance is equal to a specified object. Inherited from Attribute.
GetCustomAttribute(Assembly, Type, Boolean) static Retrieves a custom attribute applied to an assembly. Parameters specify the assembly, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
GetCustomAttribute(Assembly, Type) static Retrieves a custom attribute applied to a specified assembly. Parameters specify the assembly and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttribute(MemberInfo, Type, Boolean) static Retrieves a custom attribute applied to a member of a type. Parameters specify the member, the type of the custom attribute to search for, and whether to search ancestors of the member. Inherited from Attribute.
GetCustomAttribute(MemberInfo, Type) static Retrieves a custom attribute applied to a member of a type. Parameters specify the member, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttribute(Module, Type, Boolean) static Retrieves a custom attribute applied to a module. Parameters specify the module, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
GetCustomAttribute(Module, Type) static Retrieves a custom attribute applied to a module. Parameters specify the module, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttribute(ParameterInfo, Type, Boolean) static Retrieves a custom attribute applied to a method parameter. Parameters specify the method parameter, the type of the custom attribute to search for, and whether to search ancestors of the method parameter. Inherited from Attribute.
GetCustomAttribute(ParameterInfo, Type) static Retrieves a custom attribute applied to a method parameter. Parameters specify the method parameter, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttributes(Assembly, Boolean) static Retrieves an array of the custom attributes applied to an assembly. Parameters specify the assembly, and an ignored search option. Inherited from Attribute.
GetCustomAttributes(Assembly, Type, Boolean) static Retrieves an array of the custom attributes applied to an assembly. Parameters specify the assembly, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
GetCustomAttributes(Assembly, Type) static Retrieves an array of the custom attributes applied to an assembly. Parameters specify the assembly, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttributes(Assembly) static Retrieves an array of the custom attributes applied to an assembly. A parameter specifies the assembly. Inherited from Attribute.
GetCustomAttributes(MemberInfo, Boolean) static Retrieves an array of the custom attributes applied to a member of a type. Parameters specify the member, the type of the custom attribute to search for, and whether to search ancestors of the member. Inherited from Attribute.
GetCustomAttributes(MemberInfo, Type, Boolean) static Retrieves an array of the custom attributes applied to a member of a type. Parameters specify the member, the type of the custom attribute to search for, and whether to search ancestors of the member. Inherited from Attribute.
GetCustomAttributes(MemberInfo, Type) static Retrieves an array of the custom attributes applied to a member of a type. Parameters specify the member, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttributes(MemberInfo) static Retrieves an array of the custom attributes applied to a member of a type. A parameter specifies the member. Inherited from Attribute.
GetCustomAttributes(Module, Boolean) static Retrieves an array of the custom attributes applied to a module. Parameters specify the module, and an ignored search option. Inherited from Attribute.
GetCustomAttributes(Module, Type, Boolean) static Retrieves an array of the custom attributes applied to a module. Parameters specify the module, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
GetCustomAttributes(Module, Type) static Retrieves an array of the custom attributes applied to a module. Parameters specify the module, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttributes(Module) static Retrieves an array of the custom attributes applied to a module. A parameter specifies the module. Inherited from Attribute.
GetCustomAttributes(ParameterInfo, Boolean) static Retrieves an array of the custom attributes applied to a method parameter. Parameters specify the method parameter, and whether to search ancestors of the method parameter. Inherited from Attribute.
GetCustomAttributes(ParameterInfo, Type, Boolean) static Retrieves an array of the custom attributes applied to a method parameter. Parameters specify the method parameter, the type of the custom attribute to search for, and whether to search ancestors of the method parameter. Inherited from Attribute.
GetCustomAttributes(ParameterInfo, Type) static Retrieves an array of the custom attributes applied to a method parameter. Parameters specify the method parameter, and the type of the custom attribute to search for. Inherited from Attribute.
GetCustomAttributes(ParameterInfo) static Retrieves an array of the custom attributes applied to a method parameter. A parameter specifies the method parameter. Inherited from Attribute.
GetHashCode() Returns the hash code for this instance. Inherited from Attribute.
GetType() Gets the Type of the current instance. Inherited from Object.
IsDefaultAttribute() When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. Inherited from Attribute.
IsDefined(Assembly, Type, Boolean) static Determines whether any custom attributes are applied to an assembly. Parameters specify the assembly, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
IsDefined(Assembly, Type) static Determines whether any custom attributes are applied to an assembly. Parameters specify the assembly, and the type of the custom attribute to search for. Inherited from Attribute.
IsDefined(MemberInfo, Type, Boolean) static Determines whether any custom attributes are applied to a member of a type. Parameters specify the member, the type of the custom attribute to search for, and whether to search ancestors of the member. Inherited from Attribute.
IsDefined(MemberInfo, Type) static Determines whether any custom attributes are applied to a member of a type. Parameters specify the member, and the type of the custom attribute to search for. Inherited from Attribute.
IsDefined(Module, Type, Boolean) static Determines whether any custom attributes are applied to a module. Parameters specify the module, the type of the custom attribute to search for, and an ignored search option. Inherited from Attribute.
IsDefined(Module, Type) static Determines whether any custom attributes of a specified type are applied to a module. Parameters specify the module, and the type of the custom attribute to search for. Inherited from Attribute.
IsDefined(ParameterInfo, Type, Boolean) static Determines whether any custom attributes are applied to a method parameter. Parameters specify the method parameter, the type of the custom attribute to search for, and whether to search ancestors of the method parameter. Inherited from Attribute.
IsDefined(ParameterInfo, Type) static Determines whether any custom attributes are applied to a method parameter. Parameters specify the method parameter, and the type of the custom attribute to search for. Inherited from Attribute.
Match(Object) When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. Inherited from Attribute.
MemberwiseClone() protected Creates a shallow copy of the current Object. Inherited from Object.
ReferenceEquals(Object, Object) static Determines whether the specified Object instances are the same instance. Inherited from Object.
ToString() Returns a string that represents the current object. Inherited from Object.
TryAddTo(IBaseInfo, String, Func<String, RuleBaseAttribute>, Boolean) static For internal use. Inherited from RuleBaseAttribute.
See Also