When should you not use AutoMapper?

When should you not use AutoMapper?

If you have to do complex mapping behavior, it might be better to avoid using AutoMapper for that scenario. Reverse mapping can get very complicated very quickly, and unless it’s very simple, you can have business logic showing up in mapping configuration.

What is an AutoMapper?

AutoMapper in C# is a library used to map data from one object to another. It acts as a mapper between two objects and transforms one object type into another. It converts the input object of one type to the output object of another type until the latter type follows or maintains the conventions of AutoMapper.

Can AutoMapper set private properties?

AutoMapper will map property with private setter with no problem. If you want to force encapsulation, you need to use IgnoreAllPropertiesWithAnInaccessibleSetter. With this option, all private properties (and other inaccessible) will be ignored.

Is it good to use AutoMapper?

AutoMapper is a great tool when used for simple conversions. When you start using more complex conversions, AutoMapper can be invaluable. For very simple conversions you could of course write your own conversion method, but why write something that somebody already has written?

Why do we need automapper ignore property in C #?

Why do we need AutoMapper Ignore Property in C#? By default, AutoMapper tries to map all the properties from the source type to the destination type when both source and destination type property names are same.

Why does automapper throw an exception when trying to map?

By default, AutoMapper tries to map all properties of the source type to the destination type. If some of the properties are not available in the destination type it will not throw an exception when doing the mapping. However it will throw an exception when you are using ValidateMapperConfiguration ().

How do I map properties not available in the destination type?

If you want some of the properties not to map with the destination type property then you need to use the AutoMapper Ignore Property in C#. Note: If some of the properties are not available in the destination type, then the AutoMapper in C# will not throw any exception when doing the mapping.

How to fix automapperconfigurationexception-destinationtype is not mapped?

AutoMapper.AutoMapperConfigurationException : The following 1 properties on DestinationType are not mapped: LastName Add a custom mapping expression, ignore, or rename the property on SourceType. You can override this behavior by making a small extension method to ignore all properties that do not exist on the target type.