Dictionary map to an object using Automapper

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AutoMapper maps between properties of objects and is not supposed to operate in such scenarios. In this case you need Reflection magic. You could cheat by an intermediate serialization:

var data = new Dictionary<string, string>();
data.Add("Name", "Rusi");
data.Add("Age", "23");
var serializer = new JavaScriptSerializer();
var user = serializer.Deserialize<User>(serializer.Serialize(data));

And if you insist on using AutoMapper you could for example do something along the lines of:

Mapper
    .CreateMap<Dictionary<string, string>, User>()
    .ConvertUsing(x =>
    {
        var serializer = new JavaScriptSerializer();
        return serializer.Deserialize<User>(serializer.Serialize(x));
    });

and then:

var data = new Dictionary<string, string>();
data.Add("Name", "Rusi");
data.Add("Age", "23");
var user = Mapper.Map<Dictionary<string, string>, User>(data);

If you need to handle more complex object hierarchies with sub-objects you must ask yourself the following question: Is Dictionary<string, string> the correct data structure to use in this case?

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