Providing localized error messages for non-attributed model validation in ASP.Net MVC 2?
I\'m using the DataAnnotations attributes along with ASP.Net MVC 2 to provide model validation for my ViewModels:
public class ExamplePersonViewModel {
[
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List of messages (MVC 3.0):
ActionMethodSelector_AmbiguousMatch ActionMethodSelector_AmbiguousMatchType AsyncActionMethodSelector_AmbiguousMethodMatch AsyncActionMethodSelector_CouldNotFindMethod AsyncCommon_AsyncResultAlreadyConsumed AsyncCommon_ControllerMustImplementIAsyncManagerContainer AsyncCommon_InvalidAsyncResult AsyncCommon_InvalidTimeout AuthorizeAttribute_CannotUseWithinChildActionCache ChildActionOnlyAttribute_MustBeInChildRequest ClientDataTypeModelValidatorProvider_FieldMustBeNumeric Common_NoRouteMatched Common_NullOrEmpty Common_PartialViewNotFound Common_PropertyCannotBeNullOrEmpty Common_PropertyNotFound Common_TriState_False Common_TriState_NotSet Common_TriState_True Common_TypeMustDriveFromType Common_ValueNotValidForProperty Common_ViewNotFound CompareAttribute_MustMatch CompareAttribute_UnknownProperty Controller_UnknownAction Controller_UpdateModel_UpdateUnsuccessful Controller_Validate_ValidationFailed ControllerBase_CannotExecuteWithNullHttpContext ControllerBase_CannotHandleMultipleRequests ControllerBuilder_ErrorCreatingControllerFactory ControllerBuilder_FactoryReturnedNull ControllerBuilder_MissingIControllerFactory CshtmlView_ViewCouldNotBeCreated CshtmlView_WrongViewBase DataAnnotationsModelMetadataProvider_UnknownProperty DataAnnotationsModelMetadataProvider_UnreadableProperty DataAnnotationsModelValidatorProvider_ConstructorRequirements DataAnnotationsModelValidatorProvider_ValidatableConstructorRequirements DefaultControllerFactory_ControllerNameAmbiguous_WithoutRouteUrl DefaultControllerFactory_ControllerNameAmbiguous_WithRouteUrl DefaultControllerFactory_ErrorCreatingController DefaultControllerFactory_NoControllerFound DefaultControllerFactory_TypeDoesNotSubclassControllerBase DefaultModelBinder_ValueInvalid DefaultModelBinder_ValueRequired DefaultViewLocationCache_NegativeTimeSpan DependencyResolver_DoesNotImplementICommonServiceLocator ExceptionViewAttribute_NonExceptionType ExpressionHelper_InvalidIndexerExpression FilterAttribute_OrderOutOfRange HtmlHelper_InvalidHttpMethod HtmlHelper_InvalidHttpVerb HtmlHelper_MissingSelectData HtmlHelper_TextAreaParameterOutOfRange HtmlHelper_ValidationParameterCannotBeEmpty HtmlHelper_ValidationParameterMustBeLegal HtmlHelper_ValidationTypeCannotBeEmpty HtmlHelper_ValidationTypeMustBeLegal HtmlHelper_ValidationTypeMustBeUnique HtmlHelper_WrongSelectDataType JsonRequest_NotAllowed ModelBinderAttribute_ErrorCreatingModelBinder ModelBinderAttribute_TypeNotIModelBinder ModelBinderDictionary_MultipleAttributes ModelMetadata_PropertyNotSettable MvcRazorCodeParser_CannotHaveModelAndInheritsKeyword MvcRazorCodeParser_ModelKeywordMustBeFollowedByTypeName MvcRazorCodeParser_OnlyOneModelStatementIsAllowed OutputCacheAttribute_CannotNestChildCache OutputCacheAttribute_ChildAction_UnsupportedSetting OutputCacheAttribute_InvalidDuration OutputCacheAttribute_InvalidVaryByParam PrivateAssociatedMetadataTypeTypeDescriptor_MetadataTypeContainsUnknownProperties RedirectAction_CannotRedirectInChildAction ReflectedActionDescriptor_CannotCallInstanceMethodOnNonControllerType ReflectedActionDescriptor_CannotCallMethodsWithOutOrRefParameters ReflectedActionDescriptor_CannotCallOpenGenericMethods ReflectedActionDescriptor_CannotCallStaticMethod ReflectedActionDescriptor_ParameterCannotBeNull ReflectedActionDescriptor_ParameterNotInDictionary ReflectedActionDescriptor_ParameterValueHasWrongType ReflectedAsyncActionDescriptor_CannotExecuteSynchronously ReflectedParameterBindingInfo_MultipleConverterAttributes RemoteAttribute_NoUrlFound RemoteAttribute_RemoteValidationFailed RequireHttpsAttribute_MustUseSsl SessionStateTempDataProvider_SessionStateDisabled SingleServiceResolver_CannotRegisterTwoInstances SynchronizationContextUtil_ExceptionThrown TemplateHelpers_NoTemplate TemplateHelpers_TemplateLimitations Templates_TypeMustImplementIEnumerable TypeCache_DoNotModify ValidatableObjectAdapter_IncompatibleType ValueProviderResult_ConversionThrew ValueProviderResult_NoConverterExists ViewDataDictionary_ModelCannotBeNull ViewDataDictionary_WrongTModelType ViewMasterPage_RequiresViewPage ViewPageHttpHandlerWrapper_ExceptionOccurred ViewStartPage_RequiresMvcRazorView ViewUserControl_RequiresViewDataProvider ViewUserControl_RequiresViewPage WebFormViewEngine_UserControlCannotHaveMaster WebFormViewEngine_ViewCouldNotBeCreated WebFormViewEngine_WrongViewBase讨论(0) -
Go to http://forums.asp.net/p/1512140/3608427.aspx, watch the bradwils message dated 01-09-2010, 6:20 PM.
The solution works well for me.
It should be interesting to know the complete list of the messages overridable...
UPDATE
Here the post contents:
Create a global resource class in App_GlobalResources, and set DefaultModelBinder.ResourceClassKey to the name of this class (for example, if you made "Messages.resx", then set ResourceClassKey to "Messages").
There are two strings you can override in MVC 2:
- The string value for "PropertyValueInvalid" is used when the data the user entered isn't compatible with the data type (for example, typing in "abc" for an integer field). The default message for this is: "The value '{0}' is not valid for {1}."
- The string value for "PropertyValueRequired" is used when the user did not enter any data for a field which is not nullable (for example, an integer field). The default message for this is: "A value is required."
It's important to note in the second case that, if you have the DataAnnotationsModelValidatorProvider in your validator providers list (which it is by default), then you will never see this second message. This provider sees non-optional fields and adds an implied [Required] attribute to them so that their messages will be consistent with other fields with explicit [Required] attributes and to ensure that you get client-side validation for required fields.
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Simple way to specify message for Localization Error Message like Integer , Double , Float you can do it Following way.
[Required(ErrorMessageResourceName = "Required", ErrorMessageResourceType = typeof(Resources.Validation))] [Range(0, int.MaxValue, ErrorMessageResourceName = "ValidateAge", ErrorMessageResourceType = typeof(Resources.Validation))] [DataType(DataType.Text)] public string Age { get; set; }So instead of using Integer , double and Float use string with Range attribute and specify your custom Localization Error Message with it.
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