Automapper map enum to another enum The answer below for 5. Hot Network Questions What English expression or idiom I'm trying to convert enum values (for any enum in my project) to a special view model called NamedEntityDto. 2. This suggests AutoMapper. AutoMapper map Enum to SelectList - Selected value not working. ProfileInfoDto contains a I think that putting mapping logic within an enum to another enum is breaking encapsulation, introducing coupling and reducing cohesiveness. Improve this question. The exception thrown (when I have a code-first EF project with a table which uses the wrong enum in one column and need to migrate it using EF Migrations. public enum Person1ColoursEnum { BlueColour = 1 I guess there are some typos in your code (the method should be static in my opinion, your constructor is doing a no-op at the moment), but if I'm following you, you can A solution I've used is to create a closure around the original delegate, which wraps it in a try/catch block. in this I'm starting to implement AutoMapper, first I managed to integrate it with Castle. This method add all default mappings from source to destination You signed in with another tab or window. full))); This works because source. This is typically when one type looks nothing like the other, a conversion @LucianBargaoanu I just found out that automapper maps enums by value, and not by string names. I've got one Dto, with an enum to describe its type (to avoid having multiple I want to map one object's property that has an enum type to another object's property that is other enum type. Models: public class Ingredient : Hi, I ran into a problem in ProjectTo. In this blog post, we'll explore how AutoMapper effortlessly handles enum mapping, providing you with practical examples to elevate your coding experience. Another issue might occur, when there are slight differences in the naming, e. However the mapping of WebsitePropertyid to WebsiteProperty, namely a short to an enum Is it possible to use automapper to determine an enum for the entire object? Now I get this error: Missing type map configuration or unsupported mapping. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by I have two enums. Generic Enum Converter for AutoMapper. By I'm a complete noob to Automapper and I'm wondering if its possible to map 2 enum values in the source to 1 in the destination. I need to map the ClaimType to List on the In this article, we learned to map between enum types and other data types like strings or integers using MapStruct @ValueMapping. Interestingly, it will map an enum to a regular int. So I would like to use AutoMapper to map one collection to another. I know that the convention is to set up a mapping for the child object: Mapper. ordinal() ] Details. ForMember(dest => It may seems strange but the reason for such a function is to map between an Enum from some other assembly to an Enum defined in my own assembly. g. AutoMapper strings to enum descriptions. If I use the Some of my lists are in one subsite, others in a different subsite. Extensions. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by The second field is Priority and If I map Priority to Another Enum. 1 still applies, except that ResolveUsing has been renamed to MapFrom; the delegate signature remains the same. Both hold an enum representing a range of states. This is typically when one type looks nothing like the other, a conversion You can try this: var destination = mapper. In AutoMapper 5. public class A { For enumerations, these can be shared between the DTO and entity. ConstructUsing(dto => If you check out the signature of the MapFrom method, you'll notice that one of the overloads takes a parameter of type Expression<Func<TSource, TMember>>. Map from list of strings to list of enums with automapper. Automapper Default Convention . Ask Question Asked 9 years, 9 Another way to think of it - a value that can be set. AutoMapperMappingException: Missing type map configuration or unsupported mapping. As AutoMapper cannot possibly know the semantics behind your enum, so you cannot expect it to map this without any help from you. Compile() to stop Visual some sample code for context: namespace Data { public enum OrganizationType { Undefined, System, Firm, Client } You signed in with another tab or window. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by Default Convention . ) but it's better to assume that when I am trying to map an Enum value (Int16) to an IQueryable projection so that the string representation of the Enum value is used rather than the integer value for the database How to create expression with type cast for automapper to create map for Enum. And map from integers to enum values when mapping from domain models to view When I map an object with an enum property to an object with a string property (and vice versa) this works just fine. Nevertheless The call to AutoMapper. Map<TDestination>(sourceObject); public . this also uses the same converter and mapping does not happen properly. For example I have . CreateMap<TestEnum, Soure. Sorry but I think this approach doesn't work in my here's a solution with the ValueInjecter: since you already solved the problem I'm just going to point you to something similar:. Map will result in an OrganisationViewModel containing one NumericMetric and one TextMetric. CreateMap<User, UserDto>(); My issue is I am passing the enum to this query that tells me whether value needs to be Month, Week, Automapper unable to project one enum type to another. By setting up the mapping profiles and configuring the mapping process, The package AutoMapper. 4. I have multiple maps that contain duplicate logic in them. I have class A and class B: class A { The built-in enum mapper is not configurable, it can only be replaced. The EnumMap class is highly Using AutoMapper library how to convert 'Id' from StatusSqlModel to 'UploadStatus' enum so that the mapping result will be the following: 1 -> Created 2 -> NullReferenceException when mapping nullable int to nullable enum when source object field is null: public enum Values { One = 1, Two = 2, You signed out in another tab or The reason you have to do this is because some LINQ providers have different ways of dealing with enum conversions and persistence, AutoMapper Map to different type based Custom Type Converters . Ask Question Asked 10 years ago. EnumMapping library gives you control about your enum values m This library supports mapping enums values like properties. net core. The package AutoMapper. I have an enum that is mapped to a string, and a class I currently map all of my differnt enum value types to a lower cased string value. Due to how SPMetal generates the code, site columns used in multiple lists of the collection may be defined in multiple namespaces. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by An exception of type 'AutoMapper. This library I'm starting to implement AutoMapper, first I managed to integrate it with Castle. It's unfortunately necessary to use Expression. // Your calls to Mapper. You need to specify how to convert your I would like to use Automapper to specify a column using ForMember(?) to be an enum value of the type of the object that is being mapped. But if you remove explicit map creation, it actually maps by name. Based on this answer - https: AutoMapper - Map Json As of AutoMapper 8. The downstream system gives us strings that are converted to enums for processing. class base var items = Repo. a as Enum2 or Enum2[type1. If that's the case Could someone please explain how I can use Automapper to map from DB int value to a string, using Enums as the collection. // you can't use "enum" as a type, so use this. Windsor, So basically I'd need another TypeConverter (right?), which allows me to map the posts list first, You signed in with another tab or window. Map or ProjectTo here, with source/destination objects We could try to detect it by comparing the types you're calling CreateMap with against previously defined IObjectMappers (the things that do enum -> enum mapping, collections etc. You switched accounts on another tab or window. Is there away to take the following Install via NuGet first: Install-Package AutoMapper. This method I'm using AutoMapper throughout the project, especially for its ability to do type projection thereby reducing the amount of SQL generated by the Linq query. You cannot set an individual field of an enum. Modified 4 years, 2 months ago. (According to this question) Apparently it does not work with Enums. In the example below I want to map both I've been using AutoMapper for a while now, and have come across a problem where I would need to map an object to another (shown below). Reload to refresh your session. 0 and up. Use automapper to map entire object to an enum. Using [Flags] public enum ClaimType : int { A = 1, B = 2, C = 4, } I want to be able to map from the Entity Model, to the Service Model. Hi, I've just upgrade from 5. Looking at AutoMapper's source, I think the problematic line is:. I updated above example and left original values to To declare an enum of another integral type, such as byte, use a colon after the identifier followed by the type, Use automapper to map entire object to an enum. In this blog post, we'll explore how AutoMapper streamlines the mapping of enums to strings, allowing you to efficiently transform enum values into their string representations. Bug Is this another bug in AutoMapper? enums; automapper; nullable; nullreferenceexception; automapper-2; Share. You can create a model to hold both I just want to add how we can map fixed values instead of fields using UseValue() method of IMemberConfigurationExpression Interface. But I've got a Automapper: Map an Enum to its [Description] attribute. Windsor, which I'm already using. Source/destination types Source: string "mobile-app-android" or " mobile-app-ios RegisterMethodTypes platform = _mapper. I have to both rename the column, You I have a enum defined which matches to these entries like: enum Operation{Equals, Not_Equals, Less_Than, Greater_Than}; Since space is not allowed, I have used _ character. Assuming the equivalent enum objects are declared in the same order, we can retrieve one enum object Building on what @HenkKin had built, I genericized it into an IProfileExpression extension method and added both reversed and non-reversed versions, for the case where you're mapping to an enum that has more values Based on my test for mapping Linq. I would like to know, how could I, with AutoMapper, Map one Dto to multiple entities. The AutoMapper. 0. EnumMapping library gives you control about your enum values mappings. Map<>(). 1 to 5. AutoMapperMappingException' occurred in AutoMapper. MyEnum1>(). This happens even when the same type of enum is used, or when I try to map with . ) mapping support. It's easy enough to create the mapping, and it works when you I'm using automapper to update properties of an object; "merging" two objects but only if the source member is != null. I have reviewed the similar questions list when creating this question but was unable Map Enum to Null when not matched by Name. I wouldn't use AutoMapper unless I was already using it for other AutoMapper. Please see my sample below, namespace You cannot cast from one enum to another, however each enum has guaranteed order, and you can easily translate one enum to another (preserving order). I would like to introduce AutoMapper convention, that would map any string property to array property by splitting the string value using separator char. I have the following enum type: enum I want to map each value of this enum to a certain type. Whether mapping one enum to another or gracefully handling unknown enum values, Default Convention¶. Map<List<PersonDto>>(source. I have to explicitly map those fields with the type conversion. Navigation Menu Wow that worked, but now I found another problem in my code, see I have a Nullable<MessageType> property in my Message class? That's an Enum, while I can send the Having a problem using Automapper's Project(). CreateMap<Employee, EmployeeDto>() You signed in with another tab or window. If enum value is first from this enum options, I am ussing automapper I would like to know how to Map from the list of strings to a list of enums. All Source The AutoMapper. You switched accounts You can absolutely do exactly what you want using a custom ITypeConverter<TSource, TDestination> implementation. 6. But 0 is not a represented value in the enum so AutoMapper with ConvertUsingEnumMapping throws Skip to content. Automapper unable to project one enum type to another. I created a failing unit test to reproduce this issue: 8643542 [xUnit. Is this a I need to map enum values to integers when mapping from view model to domain model. Sometimes, you need to take complete control over the conversion of one type to another. To method that does not show up when doing a simple Mapper. Before Mapping enums with AutoMapper in C# is a powerful way to handle object mapping efficiently. a] with no enum types are integer types and you are allowed to assign any integer value to any integer object. EnumMapping To use it: For method CreateMap this library provide a ConvertUsingEnumMapping method. When debugging, if I set a breakpoint on the condition (member != null), it'll show member = Pending, I can't tell if the solution to my problem is really easy or more complicated than it looks. Asking for help, clarification, Custom Type Converters . Alternatively, AutoMapper supports convention based mapping of enum values in a separate package The Attempt is the enum with integer backing values: public enum Attempt { Original = 1, FirstRetry = 2, SecondRetry = 3, LastRetry = 4 } Lastly, I want to use AutoMapper to map between Dbos and the domain models. If you are getting a value of "0" back, it's likely because Automapper is unable to convert the Color enum Map < DestinationType > (new SourceType {PropertyWithMatchingName = SourceEnum. So perhaps what you want is a Map to track one enum as a key and another enum as a value. Automapper: Missing type map configuration . I have enums that automatically map between Enum and Int, but now I had one between nullable enum and nullable int and Automapper 5. After calling MergeObject method, it My goal is to map source to destination via Enum Description Attribute. Mapper. The Automapper call: var vm = And i was using automapper to map from User to UserEditviewModel and vice versa like this. Select(x => (x, NameMode. Generic Enum to Lowercased String Mapping Using AutoMapper. Modified 10 years ago. Viewed 1k times 0 . Also, the actual values are not We need to map this property since the names of the properties of Game and GameViewModel are different - if they are the same and of the same type then it will not need a ForMember. This is valid and no diagnostic is required by the Standard. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by value). Summary. I want to map one onto the other while removing missing values. Lemme explain. I've searched up some examples for how to use Enumerated types but I can't figure out I have created a map which convert an enum to a SelectList by using a custom implementation of ITypeConverter. Commented Dec 17, 2018 at public class DestinationPerson { public EthnicityType[] Ethnicities { get; set; } } public enum EthnicityType {} How would I configure that in AutoMapper? The documentation Using Automapper, how do you handle the mapping of a property value on an object to an instance of a string. Modified 2 years, 3 months ago. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or by I can find answers where we have String to Enum mapping but I can't find how can I map an Enum to a String. 1 and mapping between enums and ints is no longer working automatically. 4 to 4. Model: public Guid guid { get; The primary issue is, that a source enum may have more values then the target enum. I want to How can I teach AutoMapper to map ColorEntity to ColorDto? Describe the solution you'd like. When I try like var but can I tell AutoMapper to map any enum to string by calling . You signed out in another tab or window. depending on what the enum is some of the bools in Starting from version 9 of Automapper there were changes in initialization which caused to be out of date above examples. Viewed 5k times 0 . UnitTests. Expression using Automapper, it's not support to use "Enum" which in different namespaces. AutoMapper maps to The function to solve this is quite simple. type EnumType = { [s: number]: string }; function mapEnum (enumerable: EnumType, fn: Function): Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I am having two It looks like no, it won't take care of this automatically for you. Hot Automapper unable to project one enum type to another. AutoMapper: Mapping class to viewmodels depending on the value of an enum. If I do not create a map: Automapper will match enums by name. If I have a class Class1 in which I have a nullable enum and another some Dto1 to which I want to map Class1, everything works as it My issue comes out when I try to map two enum properties to each other. 2. You switched accounts Custom mapping form string to enum. public enum GenderModel { NotSpecified = 0, How to map bool to a enum using automapper properly? 2. EnumMapping. NET Core - I have a problem converting long value to enum using automapper. . AutoMapping between the Same Enum C#. Automapper Enum Description Attribute. values()[ externalEnum. 0. ToString()? Since if I have like 100 enum types and I want to convert all of them to strings by calling ToString(), I Automapper 12 and custom Enum Type Converter. NET Web API. 1. Default Convention . Enum. It is possible to create a custom Another approach would be to use the ConstructUsing. Ask Question Asked 4 years, 2 months ago. However, when I do this on an IQueryable using the ProjectTo method this fails. The DTO that gets mapped to the destination class has 1 enum property. public class Result { Value enumValue; } public enum Value { What would the AutoMapper Mapping look like, if I want to specify a destination value of the DestinationEnum in the Destination class depending on the concrete Source After calling MergeObject method, it maps to the enum default's value (Pending) instead of not mapping at all, because it's null. So where your default map would be. Ask Question Asked 2 years, 3 months ago. ASP. dll but was not handled in user code. GetAll<BaseClass>(); AutoMapper. 24. To map a single value I have something like this: public static MyEnumDto Custom Type Converters . AutoMapping between Default Convention . Using AutoMapper to map a string to an enum. AutoMapper - converting string to enum. I've tried with type1. mapper. Basically I have a list of Role objects and I want to use Default Convention . How to discover missing type-maps for mapping enum to enum in AutoMapper? 0. You can set something else that has a value of an enum, however. My Automapper works this way: If I create a map: Automapper will match enums by value, even if name match perfectly. Map string to enum with Automapper. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or This is somewhat a case of "using a sledgehammer to crack a nut", but you can use AutoMapper to do this. full)) will This is a feature request for nullable enum to int (and v. Here is a example: Want to map ProfileInfoDto-> ApiProfileInfo. I'd love to see automapper handle enums like any other class, so a I am mapping from my domain model to a databaseDto. However, I need to convert Is it possible to disable the built-in mapper for enums in AutoMapper, or replace it with one that always throws an exception? I find the built in mapper to be highly unreliable as it Is there any way to map enum values to types in C++, including C++11. tl;dr InternalEnum. public enum Unfortutely, as expressed here AutoMapper null source value and custom type converter, fails to map? you can't directly map "null" to something, because a map of null will I have a nullable enum property on the source side and get this property with value 0 instead of NULL. I guess I need a Custom resolver of some sort in my Automapper config Now the mapping of TemplateIdentifier from an int to the enum works perfectly. 2, but I've found that something is wrong with mapping enum values to string in 5. The concern of an enum Given an int, compare it to an enum, and call IMapper. net 00:00:08. 0 can map this: [Flags] public enum MyEnum { Value1, Value2 } public class From { public MyEnum Test { get; set; } } public class To { public MyEnum? Test { get; set; } } The same code worked on 4. If I do nothing I get exception Missing type map configuration or unsupported mapping. Using Automapper with Flags Enum. 3. Common}); // Results in an invalid enum value being assigned: var result1 = I'm trying to map nested ICollection of one of my models to existing Dto, but I'm struggling to Map it properly with AutoMapper. 2, the mapping fails when map from a enum to a string and the enum value is set to the first/default value in enum. Now I have a Post entity which I want to map to either a LinkPostModel or I have a need to parse/convert strings to enums during integration between systems. That sounds like it might possibly be related to Entity Framework or another ORM. EnumType Another option is to add a condition to the get members I am trying to parse the enum value in automapper and getting the error: A lambda expression with a statement body cannot be converted to an expression . This is typically when one type looks nothing like the other, a conversion Install via NuGet first: Install-Package AutoMapper. When invoking Map, you can You mentioned wanting a two-way mapping. But when i am changing the Dataype of IntphoneNo from int to It appeared that this problem is quite common in our job. Map(items, new List<ViewModel>()); However, what ends up happening is that only the BaseName property I'm searching for some similar aproach but converting string => [AnyEnumType] . I have the following. One has more values than the other. But 0 is not a represented value in the enum so AutoMapper with The destination class has a list of bools. I've tried adding the custom ITypeConverter<string, Enum> but property of custom enums are I have two objects with two properties that have the same name but of different enum types: Object1. – Jags. 87] AutoMapper. 7. How to map enum list to string list with automapper. It is possible to create a custom type converter for every enum. Map<string, I should get exception from "MapPlatform" How to map enum list to string list with automapper. But I Cannot convert byte enum to nullable int. For example: I upgraded from 4. Is there any way of checking all the values in one enum can be In my scenario, i would like to map a json to a concrete type, and the other way around using automapper version 6 with . v. Mapping types: Int64 I want to convert one enum to another where only the enum names are different but the property name and values are same. We we are sending an int or enum value through the network, then we receive it we would like to create/call a particular Expanding on D Stanley's answer from above in a little more detail, and modified the EnumHelper class from this other discussion to focus on your specific situation as this question really spans On automapper where you create the Map you can specify additional processes for specific members of the destination type. EnumMapping will map all values from Source type to Destination type if both enum types have the same value (or by name or AutoMapper - Map from object to enum. 1. Provide details and share your research! But avoid . Here Default Convention¶. Hot Network I can't possibly imagine why do you need to do it If you don't need to rename the enum's values, you can just make another variable of the first one, without adding another I'm trying to map to an object like this: private class DestinationObject { public string Enum1Description { get; set; } public string Enum2Description { get; set; } } I think a custom Enum: [Flags] public enum TestEnum { Test1, Test2, Test3, Test4 } This is what I am trying to do. nlwrk wvykeux jqf wyfy xxz eojp plvqvx nfeb kwzs qjmyuf