Using AutoMapper to map object fields to array?

Question

Is it possible with automapper in C# to map the properties of an object to an array/dictionary? I have tried the following:

Mapper.CreateMap<FFCLeads.Models.FFCLead, Dictionary<string, SqlParameter>>()
    .ForMember(d => d["LeadID"], o => o.MapFrom(s => new SqlParameter("LeadID", s.LeadID)))
    .ForMember(d => d["LastName"], o => o.MapFrom(s => new SqlParameter("LastName", s.LastName)));

However, it does not work (object ref not set to an instance). Basically, I'm trying to make the values of this object to an array of SqlParameter objects. Possible? If so, what is the correct way to do this? Thanks.

Does it have to use AutoMapper?

R. Martinho Fernandes
– R. Martinho Fernandes

2011-02-16 17:48:55 +00:00
Commented Feb 16, 2011 at 17:48 — R. Martinho Fernandes
– R. Martinho Fernandes, Commented Feb 16, 2011 at 17:48
not necessarily. i could make my own mapper too...

Ryan Peters
– Ryan Peters

2011-02-16 17:52:02 +00:00
Commented Feb 16, 2011 at 17:52 — Ryan Peters
– Ryan Peters, Commented Feb 16, 2011 at 17:52

R. Martinho Fernandes · Accepted Answer · 2011-02-16 17:57:28Z

5

I use the following method:

IDictionary<string, object> GetDictionaryFromObject(object obj)
{
    if(obj == null) return new Dictionary<string, object>();
    return obj.GetType().GetProperties().
                ToDictionary(p => p.Name,
                             p => p.GetValue(obj, null) ?? DBNull.Value);
}

edited Feb 16, 2011 at 17:57

answered Feb 16, 2011 at 17:51

R. Martinho Fernandes

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