Automapper formember convertusing, Some useful methods beyond ForMember include: Dec 29, 2021 · In this article, get ready to dive into custom projections with AutoMapper, using IncludeMembers and Value and Type Converters. void Main() { var cfg = new AutoMapper. Value converters are scoped to a single map, and receive the source and destination objects to resolve to a value to map to the destination member. Reverse Mapping and Unflattening Starting with 6. ConvertUsing(PersonConverter ); // No ForMember here. Type converters are globally scoped, so that any time you map from type Foo to type Bar in any mapping, the type converter will be used. Scattered configuration: Keep mappings organised in Profiles to avoid duplication and improve maintainability. Optionally value May 10, 2016 · AutoMapper . May 26, 2022 · I'm having an issue combining ConvertUsing, specifically when using IncludeMembers, but it also happens if I try to map the property itself. CreateMap<Entity, DTO>() to set up custom mappings, but this doesn't seem to be an available method. MapperConfigurati Custom Value Resolvers Although AutoMapper covers quite a few destination member mapping scenarios, there are the 1 to 5% of destination values that need a little help in resolving. I am using the correct syntax as Jul 6, 2024 · Power of AutoMapper for Custom Type Conversion. Given our entities:. I know I'm supposed to be using . Edit for clarification: I am not looking for a link to the documentation, which I have read, or an explanation of the basic syntax. Value Converters Value converters are a cross between Type Converters and Value Resolvers. Many times, this custom value resolution logic is domain logic that can go straight on our domain. AutoMapper is a powerful object-to-object mapping library that streamlines the conversion process between different types in . However, if this logic pertains only to the mapping operation, it would clutter our source types with unnecessary Mapper. 1. The real power of custom type converters is that they are used any time AutoMapper finds the source/destination pairs on any mapped types. Start using ConvertUsing today to take your data mapping to the next level! I am trying to set up AutoMapper to convert from Entity to DTO. 0, AutoMapper now supports richer reverse mapping support. Sep 29, 2025 · Overusing AutoMapper: For trivial mappings in hot paths, manual mapping may still be faster. ForMember for collection Asked 9 years, 9 months ago Modified 9 years, 9 months ago Viewed 17k times May 9, 2023 · Other useful features of AutoMapper AutoMapper offers a variety of methods for configuring and controlling the mapping process. We can build a set of custom type converters, on top of which other mapping configurations use, without needing any extra configuration. The next two use custom ITypeConverter implementations. ForMember() after Mapper. However, given that you have complete control during type conversion, there is nothing stopping you from reusing the value converter, you just have to reference it specifically: however you will have to add a public method which returns the protected Value Converters Value converters are a cross between Type Converters and Value Resolvers. NET applications. CreateMap<TPersonData, Person>(). Optionally value Jun 25, 2024 · Automapper's ForMember ConvertUsing functionality provides a powerful way to enhance your data mapping capabilities in C#, making your code more efficient and maintainable.
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