Automapper mapping problem

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C#

AutoMapper

Hi,

I have some issues with automapper.

I have two objects and I want to convert these.

First object;

public partial class WorkCommandDocuments
    {
        public int ID { get; set; }

        [Required]
        [StringLength(300)]
        public string WorkCommandNumber { get; set; }

        [Required]
        [StringLength(500)]
        public string WorkCommandDocumentDefinition { get; set; }

        [Required]
        public byte[] WorkCommandDocument { get; set; }

        [Required]
        [StringLength(100)]
        public string FileExtension { get; set; }

        public virtual WorkCommands WorkCommands { get; set; }
    }

Second object;

public class WorkCommandDoc
    {
        [DataMember]
        public int ID { get; set; }
        [DataMember]
        public string WorkCommandNumber { get; set; }
        [DataMember]
        public string WorkCommandDocumentDefinition { get; set; }
        [DataMember]
        public byte[] WorkCommandDocument { get; set; }
        [DataMember]
        public string FileExtension { get; set; }

        public WorkCommandDoc(int id, string workCommandNumber, string workCommandDocumentDefinition, byte[] workCommandDoc, string fileExtension)
        {
            ID = id;
            WorkCommandNumber = workCommandNumber;
            WorkCommandDocumentDefinition = workCommandDocumentDefinition;
            WorkCommandDocument = workCommandDoc;
            FileExtension = fileExtension;
        }
    }

But I'm getting 'AutoMapper.AutoMapperConfigurationException' in AutoMapper.dll error.

EDIT: I solve this problem with adding default constractor to WorkCommandDoc object.

What I have tried:

I tried:

Mapper.Initialize(config => 
            {
                config.CreateMap<WorkCommandDocuments, WorkCommandDoc>();
            });
            Mapper.AssertConfigurationIsValid();

 WorkCommandDoc wc = Mapper.Map<WorkCommandDoc>(doc);